Assume x = 4 and y = 5, which of the following is true?
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- The following solidity code segment aim to select a winner at random from the a set of players (assume num_player is the number of players). Explain what is the vulnerability of this method. contract Game { uint winner_ID; uint num_player; function guessing() external{ winner_ID = uint256(block.blockhash(block.number - 1)) % num_player; } }You have a group of friends coming to visit for your high school reunion, and you want to take them out to eat at a local restaurant. You are not sure if any of them have dietary restrictions, but your restaurant choices are as follows: Joe’s Gourmet Burgers—Vegetarian: No, Vegan: No, Gluten-Free: No Main Street Pizza Company—Vegetarian: Yes, Vegan: No, Gluten-Free: Yes Corner Café—Vegetarian: Yes, Vegan: Yes, Gluten-Free: Yes Write a program that asks whether any members of your party are vegetarian, vegan, or gluten-free, to which then displays only the restaurants to which you may take the group.Let l(x) be "x has an internet conection" and C(x, y) be "x and y have chatted over the internet". Assume the domain is all students in a class. Express the following using quantifiers. 1. Jerry does not have an internet connection 2. Exactly one student in the class has an internet connection 3. Someone in your class has an internet connection but has not chatted with anyone else in the class.
- java progmming Cruz Eng'g and IT consultation Company employs workers who are paid one of three hourly rates depending on skill level:Skill Level Hourly Pay rate ($)1. 17.002. 20.003. 22.004. Continue5. Terminate/ end processEach worker might work any number of hours per week; any hours over 40 are paid at one and one- half times the usual rate. In addition, workers in skill levels 2 and 3 can elect the following insuranceoptions:Option Explanation Weekly Cost to Employee ($)1. Medical insurance 32.502. Dental insurance 20.003. Long-term disability insurance 10.00Also, workers in skill level 3 can elect to participate in the retirement plan at 3% of their gross pay. Write an interactive Java payroll application that calculates the net pay for a factory worker. The program prompts the user for skill level and hours worked, as well as appropriate insurance and retirement options for the employee’s skill level category. The application displays: 1. the hours worked2. the hourly pay…The answer can only be one option out of a,b,c,d, or e. Which one would it be? A. enqueue(int), dequeue(int, int) B. dequeue(int), remove (int) C. enqueue(int), dequeue(int) D. enqueue(int, int), dequeue(int) E. enqueue(int), dequeue( )Let Q(x, y) denote the statement “x has sent an e-mail message to y”, where the domain for both x and y consists of all students in your class. Express each of the following quantifications in English. 1. x y Q(x, y) 2. x y Q(x, y) 3. x y Q(x, y) 4. y x Q(x, y) 5. y x Q(x, y)
- Mutiple Answers Which of the following matches regexp /(very )+(fat )?(tall|ugly) man/a) very fat manb) fat tall manc) very very fat ugly mand) very very very tall man Please Answer With Detailed Explanation!Write a program using the above idea but to solve the following situation:In a certain application (details withheld to protect the company's 'privacy'), legitimate values are:Range of Values Category0 - 5 B8 - 14 N20 - 21 Q25 - 43 D50 - 59 N60 - 99 AThe values are decimal ones -- not integers (the cutoff valuse just happen to be whole numbers). Any value notinside a specified range is considered invalid and should receive a category value of '-'. (Note that category 'N'has two ranges associated with it...)Write templated functions which can receive a value, the arrays for legal value limits and resulting categories,and an invalid category value and return the resulting mapped category. (You'll have at least two -- one for thisprogram and one for the grade situation as above.) Place these in a library (conversion.h?).ERD 0 Business Rules -Orders can have many items -Restaurants can have many orders -Many customers can make many orders -Customers makes an order -Restaurants employ many staff -Customers make payments Can someone tell me if my ERD 0 makes sense with my business rules for a pizza delivery system if not can you please explain to me what I am doing wrong.
- The image below is the assignment, and above that is the code written to solve it...Please explain each step to me with "//" !! using System.IO;using System;class Program{ static void Main(){ double [] lst = new double[5]; int i= 0, m; while (i < 5){ Console.WriteLine("Please enter the number(10-100)"); lst[i]= Convert.ToDouble(Console.ReadLine()); if(lst[i]<10 && lst[i]>100){ Console.WriteLine("The number is outside the range"); break; } int dpc = 0; for (int k = 0; k < i; k++) { if (lst[k] == lst[i]) { Console.WriteLine("Please don't enter duplicates"); dpc = 1; break; } } if(dpc==0) i++; } Console.WriteLine("The entered numbers are below"); for(m=0;m < 5;m++) Console.WriteLine(lst[m]);…I need a class diagram for the following scenario: An application for tracking and managing videos for faculty and students at a university is to be developed. Videos can be scientific, religious or general. General videos are classified as miscellaneous, sports or entertainment while scientific videos are classified as natural science videos or social science videos. In general, professors can check out any number of videos, however, visiting professors can check out at most seven videos. Unlike regular professors, visiting professors can check out videos for the duration of only two weeks. Students can check out any number of religious videos and at most 2 scientific videos. Students can check out only scientific videos in the subject areas represented in their research groups. To facilitate this, students and professors can belong to research groups. A research group must have at least 2 professors and every student must belong to some research group. Professors that…The client wants to be able to downgrade all employee’s security levels, if the employee has a specific role.Only an employee with a role of Security should be able to downgrade all employee’s security levels basedon their role.For example the client decides that all employees with a role of Scientist should no longer have access tosecurity level 2 rooms and wants to be able to downgrade their security level from 2 to 1. An employeewith the role of Security will then execute this program to downgrade all employees security level’s withthe role of Scientist. An employee’s security level should never be below 1. If an employee tries to executethis program with a role that is not Security then security should be alerted with the employee’s name.Again, I was unsure how to achieve this, but I have started a flowchart. Could you please finish theflowchart so that I can implement this within a programming language.
