High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
15th Edition
ISBN: 9780133281149
Author: Prentice Hall
Publisher: Prentice Hall
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Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of tw…
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency o…
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Chapter 12.5, Problem 28PPE
To determine

To find: The sample is random, systematic and stratified sample, identify the population and sample.

Expert Solution & Answer
Check Mark

Answer to Problem 28PPE

The survey of every fifteenth customer of store is systematic and population and sample is identified.

Explanation of Solution

Given information:

One student from each club school is chosen at random to represent the school at the school fair.

Calculation:

Consider the question

One student from each club school is chosen at random to represent the school at the school fair.

Therefore, all student of the school is population

And the student who is selected from club at random is sample.

Therefore, survey is held in fixed number of customer.

The population is divided into school and each student of each club is the sample of the population, and then survey is done by one student in each club to represent the school in the fair. so the sample is stratified.

Therefore, the surveys at one student from each club is chosen at random to represent the school at the school fair is Stratified.

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Chapter 12.5, Problem 27PPE
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Chapter 12.5, Problem 29PPE

Chapter 12 Solutions

High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9

Ch. 12.1 - Prob. 1PCh. 12.1 - Prob. 2PCh. 12.1 - Prob. 3PCh. 12.1 - Prob. 1LCCh. 12.1 - Prob. 2LCCh. 12.1 - Prob. 3LCCh. 12.1 - Prob. 4LCCh. 12.1 - Prob. 5LCCh. 12.1 - Prob. 6LCCh. 12.1 - Prob. 7LC
Ch. 12.1 - Prob. 8PPECh. 12.1 - Prob. 9PPECh. 12.1 - Prob. 10PPECh. 12.1 - Prob. 11PPECh. 12.1 - Prob. 12PPECh. 12.1 - Prob. 13PPECh. 12.1 - Prob. 14PPECh. 12.1 - Prob. 15PPECh. 12.1 - Prob. 16PPECh. 12.1 - Prob. 17PPECh. 12.1 - Prob. 18PPECh. 12.1 - Prob. 19PPECh. 12.1 - Prob. 20PPECh. 12.1 - Prob. 21PPECh. 12.1 - Prob. 22PPECh. 12.1 - Prob. 23PPECh. 12.1 - Prob. 24PPECh. 12.1 - Prob. 25PPECh. 12.1 - Prob. 26PPECh. 12.1 - Prob. 27PPECh. 12.1 - Prob. 28PPECh. 12.1 - Prob. 29PPECh. 12.1 - Prob. 30PPECh. 12.1 - Prob. 31PPECh. 12.1 - Prob. 32PPECh. 12.1 - Prob. 33STPCh. 12.1 - Prob. 34STPCh. 12.1 - Prob. 35STPCh. 12.1 - Prob. 36STPCh. 12.1 - Prob. 37MRCh. 12.1 - Prob. 38MRCh. 12.1 - Prob. 39MRCh. 12.1 - Prob. 40MRCh. 12.1 - Prob. 41MRCh. 12.2 - Prob. 1PCh. 12.2 - Prob. 2PCh. 12.2 - Prob. 3PCh. 12.2 - Prob. 4PCh. 12.2 - Prob. 1LCCh. 12.2 - Prob. 2LCCh. 12.2 - Prob. 3LCCh. 12.2 - Prob. 4LCCh. 12.2 - Prob. 5LCCh. 12.2 - Prob. 6LCCh. 12.2 - Prob. 7PPECh. 12.2 - Prob. 8PPECh. 12.2 - Prob. 9PPECh. 12.2 - Prob. 10PPECh. 12.2 - Prob. 11PPECh. 12.2 - Prob. 12PPECh. 12.2 - Prob. 13PPECh. 12.2 - Prob. 14PPECh. 12.2 - Prob. 15PPECh. 12.2 - Prob. 16PPECh. 12.2 - Prob. 17PPECh. 12.2 - Prob. 18PPECh. 12.2 - Prob. 19PPECh. 12.2 - Prob. 20PPECh. 12.2 - Prob. 21PPECh. 12.2 - Prob. 22PPECh. 12.2 - Prob. 23PPECh. 12.2 - Prob. 24PPECh. 12.2 - Prob. 25PPECh. 12.2 - Prob. 26PPECh. 12.2 - Prob. 27PPECh. 12.2 - Prob. 28PPECh. 12.2 - Prob. 29PPECh. 12.2 - Prob. 30PPECh. 12.2 - Prob. 31PPECh. 12.2 - Prob. 32PPECh. 12.2 - Prob. 33PPECh. 12.2 - Prob. 34STPCh. 12.2 - Prob. 35STPCh. 12.2 - Prob. 36STPCh. 12.2 - Prob. 37STPCh. 12.2 - Prob. 38MRCh. 12.2 - Prob. 39MRCh. 12.2 - Prob. 40MRCh. 12.2 - Prob. 41MRCh. 12.3 - Prob. 1PCh. 12.3 - Prob. 2PCh. 12.3 - Prob. 3PCh. 12.3 - Prob. 4PCh. 12.3 - Prob. 5PCh. 12.3 - Prob. 1LCCh. 12.3 - Prob. 2LCCh. 12.3 - Prob. 3LCCh. 12.3 - Prob. 4LCCh. 12.3 - Prob. 5LCCh. 12.3 - Prob. 6LCCh. 12.3 - Prob. 7PPECh. 12.3 - Prob. 8PPECh. 12.3 - Prob. 9PPECh. 12.3 - Prob. 10PPECh. 12.3 - Prob. 11PPECh. 12.3 - Prob. 12PPECh. 12.3 - Prob. 13PPECh. 12.3 - Prob. 14PPECh. 12.3 - Prob. 15PPECh. 12.3 - Prob. 16PPECh. 12.3 - Prob. 17PPECh. 12.3 - Prob. 18PPECh. 12.3 - Prob. 19PPECh. 12.3 - Prob. 20PPECh. 12.3 - Prob. 21PPECh. 12.3 - Prob. 22PPECh. 12.3 - Prob. 23PPECh. 12.3 - Prob. 24PPECh. 12.3 - Prob. 25PPECh. 12.3 - Prob. 26PPECh. 12.3 - Prob. 27PPECh. 12.3 - Prob. 28PPECh. 12.3 - Prob. 29PPECh. 12.3 - Prob. 30PPECh. 12.3 - Prob. 1MPCh. 12.3 - Prob. 1CBCh. 12.3 - Prob. 2CBCh. 12.3 - Prob. 3CBCh. 12.3 - Prob. 4CBCh. 12.4 - Prob. 1PCh. 12.4 - Prob. 2PCh. 12.4 - Prob. 3PCh. 12.4 - Prob. 4PCh. 12.4 - Prob. 1LCCh. 12.4 - Prob. 2LCCh. 12.4 - Prob. 3LCCh. 12.4 - Prob. 4LCCh. 12.4 - Prob. 5LCCh. 12.4 - Prob. 6LCCh. 12.4 - Prob. 7LCCh. 12.4 - Prob. 8PPECh. 12.4 - Prob. 9PPECh. 12.4 - Prob. 10PPECh. 12.4 - Prob. 11PPECh. 12.4 - Prob. 12PPECh. 12.4 - Prob. 13PPECh. 12.4 - Prob. 14PPECh. 12.4 - Prob. 15PPECh. 12.4 - Prob. 16PPECh. 12.4 - Prob. 17PPECh. 12.4 - Prob. 18PPECh. 12.4 - Prob. 19PPECh. 12.4 - Prob. 20PPECh. 12.4 - Prob. 21PPECh. 12.4 - Prob. 22PPECh. 12.4 - Prob. 23PPECh. 12.4 - Prob. 24PPECh. 12.4 - Prob. 25PPECh. 12.4 - Prob. 26PPECh. 12.4 - Prob. 1MPCh. 12.5 - Prob. 1PCh. 12.5 - Prob. 2PCh. 12.5 - Prob. 3PCh. 12.5 - Prob. 4PCh. 12.5 - Prob. 5PCh. 12.5 - Prob. 1LCCh. 12.5 - Prob. 2LCCh. 12.5 - Prob. 3LCCh. 12.5 - Prob. 4LCCh. 12.5 - Prob. 5LCCh. 12.5 - Prob. 6LCCh. 12.5 - Prob. 7PPECh. 12.5 - Prob. 8PPECh. 12.5 - Prob. 9PPECh. 12.5 - Prob. 10PPECh. 12.5 - Prob. 11PPECh. 12.5 - Prob. 12PPECh. 12.5 - Prob. 13PPECh. 12.5 - Prob. 14PPECh. 12.5 - Prob. 15PPECh. 12.5 - Prob. 16PPECh. 12.5 - Prob. 17PPECh. 12.5 - Prob. 18PPECh. 12.5 - Prob. 19PPECh. 12.5 - Prob. 20PPECh. 12.5 - Prob. 21PPECh. 12.5 - Prob. 22PPECh. 12.5 - Prob. 23PPECh. 12.5 - Prob. 24PPECh. 12.5 - Prob. 25PPECh. 12.5 - Prob. 26PPECh. 12.5 - Prob. 27PPECh. 12.5 - Prob. 28PPECh. 12.5 - Prob. 29PPECh. 12.5 - Prob. 30PPECh. 12.5 - Prob. 31PPECh. 12.5 - Prob. 32PPECh. 12.5 - Prob. 33PPECh. 12.5 - Prob. 34PPECh. 12.5 - Prob. 35PPECh. 12.5 - Prob. 36PPECh. 12.5 - Prob. 37PPECh. 12.5 - Prob. 38PPECh. 12.5 - Prob. 39PPECh. 12.5 - Prob. 40PPECh. 12.5 - Prob. 41STPCh. 12.5 - Prob. 42STPCh. 12.5 - Prob. 43STPCh. 12.5 - Prob. 44STPCh. 12.5 - Prob. 45MRCh. 12.5 - Prob. 46MRCh. 12.5 - Prob. 47MRCh. 12.5 - Prob. 48MRCh. 12.5 - Prob. 49MRCh. 12.5 - Prob. 50MRCh. 12.5 - Prob. 51MRCh. 12.5 - Prob. 52MRCh. 12.5 - Prob. 1MCQCh. 12.5 - Prob. 2MCQCh. 12.5 - Prob. 3MCQCh. 12.5 - Prob. 4MCQCh. 12.5 - Prob. 5MCQCh. 12.5 - Prob. 6MCQCh. 12.5 - Prob. 7MCQCh. 12.5 - Prob. 8MCQCh. 12.5 - Prob. 9MCQCh. 12.5 - Prob. 10MCQCh. 12.5 - Prob. 11MCQCh. 12.5 - Prob. 12MCQCh. 12.5 - Prob. 13MCQCh. 12.5 - Prob. 14MCQCh. 12.5 - Prob. 15MCQCh. 12.5 - Prob. 16MCQCh. 12.5 - Prob. 17MCQCh. 12.5 - Prob. 18MCQCh. 12.5 - Prob. 19MCQCh. 12.5 - Prob. 20MCQCh. 12.6 - Prob. 1PCh. 12.6 - Prob. 2PCh. 12.6 - Prob. 3PCh. 12.6 - Prob. 4PCh. 12.6 - Prob. 1LCCh. 12.6 - Prob. 2LCCh. 12.6 - Prob. 3LCCh. 12.6 - Prob. 4LCCh. 12.6 - Prob. 5LCCh. 12.6 - Prob. 6LCCh. 12.6 - Prob. 7LCCh. 12.6 - Prob. 8LCCh. 12.6 - Prob. 9LCCh. 12.6 - Prob. 10LCCh. 12.6 - Prob. 11PPECh. 12.6 - Prob. 12PPECh. 12.6 - Prob. 13PPECh. 12.6 - Prob. 14PPECh. 12.6 - Prob. 15PPECh. 12.6 - Prob. 16PPECh. 12.6 - Prob. 17PPECh. 12.6 - Prob. 18PPECh. 12.6 - Prob. 19PPECh. 12.6 - Prob. 20PPECh. 12.6 - Prob. 21PPECh. 12.6 - Prob. 22PPECh. 12.6 - Prob. 23PPECh. 12.6 - Prob. 24PPECh. 12.6 - Prob. 25PPECh. 12.6 - Prob. 26PPECh. 12.6 - Prob. 27PPECh. 12.6 - Prob. 28PPECh. 12.6 - Prob. 29PPECh. 12.6 - Prob. 30PPECh. 12.6 - Prob. 31PPECh. 12.6 - Prob. 32PPECh. 12.6 - Prob. 33PPECh. 12.6 - Prob. 34PPECh. 12.6 - Prob. 35PPECh. 12.6 - Prob. 36PPECh. 12.6 - Prob. 37PPECh. 12.6 - Prob. 38PPECh. 12.6 - Prob. 39PPECh. 12.6 - Prob. 40PPECh. 12.6 - Prob. 41PPECh. 12.6 - Prob. 42PPECh. 12.6 - Prob. 43PPECh. 12.6 - Prob. 44PPECh. 12.6 - Prob. 45PPECh. 12.6 - Prob. 46PPECh. 12.6 - Prob. 47PPECh. 12.6 - Prob. 48PPECh. 12.6 - Prob. 49PPECh. 12.6 - Prob. 50PPECh. 12.6 - Prob. 51PPECh. 12.6 - Prob. 52PPECh. 12.6 - Prob. 53PPECh. 12.6 - Prob. 54PPECh. 12.6 - Prob. 55PPECh. 12.6 - Prob. 56PPECh. 12.6 - Prob. 57PPECh. 12.6 - Prob. 58PPECh. 12.6 - Prob. 59PPECh. 12.6 - Prob. 60PPECh. 12.6 - Prob. 61PPECh. 12.6 - Prob. 62PPECh. 12.6 - Prob. 63PPECh. 12.6 - Prob. 64PPECh. 12.6 - Prob. 65PPECh. 12.6 - Prob. 66STPCh. 12.6 - Prob. 67STPCh. 12.6 - Prob. 68STPCh. 12.6 - Prob. 69STPCh. 12.6 - Prob. 70MRCh. 12.6 - Prob. 71MRCh. 12.6 - Prob. 72MRCh. 12.6 - Prob. 73MRCh. 12.6 - Prob. 74MRCh. 12.6 - Prob. 75MRCh. 12.6 - Prob. 76MRCh. 12.6 - Prob. 77MRCh. 12.6 - Prob. 78MRCh. 12.6 - Prob. 79MRCh. 12.6 - Prob. 80MRCh. 12.6 - Prob. 81MRCh. 12.7 - Prob. 1PCh. 12.7 - Prob. 2PCh. 12.7 - Prob. 3PCh. 12.7 - Prob. 4PCh. 12.7 - Prob. 5PCh. 12.7 - Prob. 1LCCh. 12.7 - Prob. 2LCCh. 12.7 - Prob. 3LCCh. 12.7 - Prob. 4LCCh. 12.7 - Prob. 5LCCh. 12.7 - Prob. 6LCCh. 12.7 - Prob. 7LCCh. 12.7 - Prob. 8LCCh. 12.7 - Prob. 9LCCh. 12.7 - Prob. 10PPECh. 12.7 - Prob. 11PPECh. 12.7 - Prob. 12PPECh. 12.7 - Prob. 13PPECh. 12.7 - Prob. 14PPECh. 12.7 - Prob. 15PPECh. 12.7 - Prob. 16PPECh. 12.7 - Prob. 17PPECh. 12.7 - Prob. 18PPECh. 12.7 - Prob. 19PPECh. 12.7 - Prob. 20PPECh. 12.7 - Prob. 21PPECh. 12.7 - Prob. 22PPECh. 12.7 - Prob. 23PPECh. 12.7 - Prob. 24PPECh. 12.7 - Prob. 25PPECh. 12.7 - Prob. 26PPECh. 12.7 - Prob. 27PPECh. 12.7 - Prob. 28PPECh. 12.7 - Prob. 29PPECh. 12.7 - Prob. 30PPECh. 12.7 - Prob. 31PPECh. 12.7 - Prob. 32PPECh. 12.7 - Prob. 33PPECh. 12.7 - Prob. 34PPECh. 12.7 - Prob. 35PPECh. 12.7 - Prob. 36PPECh. 12.7 - Prob. 37PPECh. 12.7 - Prob. 38PPECh. 12.7 - Prob. 39PPECh. 12.7 - Prob. 40PPECh. 12.7 - Prob. 41PPECh. 12.7 - Prob. 42PPECh. 12.7 - Prob. 43PPECh. 12.7 - Prob. 44PPECh. 12.7 - Prob. 45PPECh. 12.7 - Prob. 46PPECh. 12.7 - Prob. 47STPCh. 12.7 - Prob. 48STPCh. 12.7 - Prob. 49STPCh. 12.7 - Prob. 50MRCh. 12.7 - Prob. 51MRCh. 12.7 - Prob. 52MRCh. 12.7 - Prob. 53MRCh. 12.7 - Prob. 54MRCh. 12.7 - Prob. 55MRCh. 12.7 - Prob. 56MRCh. 12.7 - Prob. 57MRCh. 12.7 - Prob. 58MRCh. 12.7 - Prob. 59MRCh. 12.8 - Prob. 1PCh. 12.8 - Prob. 2PCh. 12.8 - Prob. 3PCh. 12.8 - Prob. 4PCh. 12.8 - Prob. 5PCh. 12.8 - Prob. 1LCCh. 12.8 - Prob. 2LCCh. 12.8 - Prob. 3LCCh. 12.8 - Prob. 4LCCh. 12.8 - Prob. 5LCCh. 12.8 - Prob. 6LCCh. 12.8 - Prob. 7LCCh. 12.8 - Prob. 8PPECh. 12.8 - Prob. 9PPECh. 12.8 - Prob. 10PPECh. 12.8 - Prob. 11PPECh. 12.8 - Prob. 12PPECh. 12.8 - Prob. 13PPECh. 12.8 - Prob. 14PPECh. 12.8 - Prob. 15PPECh. 12.8 - Prob. 16PPECh. 12.8 - Prob. 17PPECh. 12.8 - Prob. 18PPECh. 12.8 - Prob. 19PPECh. 12.8 - Prob. 20PPECh. 12.8 - Prob. 21PPECh. 12.8 - Prob. 22PPECh. 12.8 - Prob. 23PPECh. 12.8 - Prob. 24PPECh. 12.8 - Prob. 25PPECh. 12.8 - Prob. 26PPECh. 12.8 - Prob. 27PPECh. 12.8 - Prob. 28PPECh. 12.8 - Prob. 29PPECh. 12.8 - Prob. 30PPECh. 12.8 - Prob. 31PPECh. 12.8 - Prob. 32PPECh. 12.8 - Prob. 33PPECh. 12.8 - Prob. 34PPECh. 12.8 - Prob. 35PPECh. 12.8 - Prob. 36PPECh. 12.8 - Prob. 37PPECh. 12.8 - Prob. 38PPECh. 12.8 - Prob. 39PPECh. 12.8 - Prob. 40PPECh. 12.8 - Prob. 41PPECh. 12.8 - Prob. 42PPECh. 12.8 - Prob. 43PPECh. 12.8 - Prob. 44PPECh. 12.8 - Prob. 45PPECh. 12.8 - Prob. 1MPCh. 12.8 - Prob. 1CBCh. 12.8 - Prob. 2CBCh. 12 - Prob. 1GRCh. 12 - Prob. 2GRCh. 12 - Prob. 3GRCh. 12 - Prob. 4GRCh. 12 - Prob. 5GRCh. 12 - Prob. 6GRCh. 12 - Prob. 7GRCh. 12 - Prob. 8GRCh. 12 - Prob. 9GRCh. 12 - Prob. 10GRCh. 12 - Prob. 11GRCh. 12 - Prob. 12GRCh. 12 - Prob. 13GRCh. 12 - Prob. 14GRCh. 12 - Prob. 15GRCh. 12 - Prob. 16GRCh. 12 - Prob. 17GRCh. 12 - Prob. 18GRCh. 12 - Prob. 19GRCh. 12 - Prob. 20GRCh. 12 - Prob. 1CRCh. 12 - Prob. 2CRCh. 12 - Prob. 3CRCh. 12 - Prob. 4CRCh. 12 - Prob. 5CRCh. 12 - Prob. 6CRCh. 12 - Prob. 7CRCh. 12 - Prob. 8CRCh. 12 - Prob. 9CRCh. 12 - Prob. 10CRCh. 12 - Prob. 11CRCh. 12 - Prob. 12CRCh. 12 - Prob. 13CRCh. 12 - Prob. 14CRCh. 12 - Prob. 15CRCh. 12 - Prob. 16CRCh. 12 - Prob. 17CRCh. 12 - Prob. 18CRCh. 12 - Prob. 19CRCh. 12 - Prob. 20CRCh. 12 - Prob. 21CRCh. 12 - Prob. 22CRCh. 12 - Prob. 23CRCh. 12 - Prob. 24CRCh. 12 - Prob. 25CRCh. 12 - Prob. 26CRCh. 12 - Prob. 27CRCh. 12 - Prob. 28CRCh. 12 - Prob. 29CRCh. 12 - Prob. 30CRCh. 12 - Prob. 31CRCh. 12 - Prob. 32CRCh. 12 - Prob. 33CRCh. 12 - Prob. 34CRCh. 12 - Prob. 35CRCh. 12 - Prob. 36CRCh. 12 - Prob. 37CRCh. 12 - Prob. 38CRCh. 12 - Prob. 39CRCh. 12 - Prob. 40CRCh. 12 - Prob. 41CRCh. 12 - Prob. 42CRCh. 12 - Prob. 43CRCh. 12 - Prob. 44CRCh. 12 - Prob. 45CRCh. 12 - Prob. 46CRCh. 12 - Prob. 47CRCh. 12 - Prob. 48CRCh. 12 - Prob. 49CRCh. 12 - Prob. 1CTCh. 12 - Prob. 2CTCh. 12 - Prob. 3CTCh. 12 - Prob. 4CTCh. 12 - Prob. 5CTCh. 12 - Prob. 6CTCh. 12 - Prob. 7CTCh. 12 - Prob. 8CTCh. 12 - Prob. 9CTCh. 12 - Prob. 10CTCh. 12 - Prob. 11CTCh. 12 - Prob. 12CTCh. 12 - Prob. 13CTCh. 12 - Prob. 14CTCh. 12 - Prob. 15CTCh. 12 - Prob. 16CTCh. 12 - Prob. 17CTCh. 12 - Prob. 18CTCh. 12 - Prob. 19CTCh. 12 - Prob. 20CTCh. 12 - Prob. 21CTCh. 12 - Prob. 22CTCh. 12 - Prob. 1CCSRCh. 12 - Prob. 2CCSRCh. 12 - Prob. 3CCSRCh. 12 - Prob. 4CCSRCh. 12 - Prob. 5CCSRCh. 12 - Prob. 6CCSRCh. 12 - Prob. 7CCSRCh. 12 - Prob. 8CCSRCh. 12 - Prob. 9CCSRCh. 12 - Prob. 10CCSRCh. 12 - Prob. 11CCSRCh. 12 - Prob. 12CCSRCh. 12 - Prob. 13CCSRCh. 12 - Prob. 14CCSRCh. 12 - Prob. 15CCSRCh. 12 - Prob. 16CCSRCh. 12 - Prob. 17CCSRCh. 12 - Prob. 18CCSRCh. 12 - Prob. 19CCSRCh. 12 - Prob. 20CCSRCh. 12 - Prob. 21CCSRCh. 12 - Prob. 22CCSRCh. 12 - Prob. 23CCSRCh. 12 - Prob. 24CCSRCh. 12 - Prob. 25CCSRCh. 12 - Prob. 26CCSRCh. 12 - Prob. 27CCSRCh. 12 - Prob. 28CCSRCh. 12 - Prob. 29CCSRCh. 12 - Prob. 30CCSRCh. 12 - Prob. 31CCSRCh. 12 - Prob. 32CCSRCh. 12 - Prob. 33CCSRCh. 12 - Prob. 34CCSRCh. 12 - Prob. 35CCSRCh. 12 - Prob. 36CCSRCh. 12 - Prob. 37CCSRCh. 12 - Prob. 38CCSRCh. 12 - Prob. 39CCSRCh. 12 - Prob. 40CCSRCh. 12 - Prob. 41CCSRCh. 12 - Prob. 42CCSRCh. 12 - Prob. 43CCSRCh. 12 - Prob. 44CCSRCh. 12 - Prob. 45CCSRCh. 12 - Prob. 46CCSRCh. 12 - Prob. 47CCSRCh. 12 - Prob. 48CCSRCh. 12 - Prob. 49CCSRCh. 12 - Prob. 50CCSR

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