The bar graph shows changes in the percentage of college graduates for a country ages 25 and older from 1990 to 2010. In 1990, 18.2% of women ages 25 and older had graduated from college. On average, this percentage has increased by approximately 0.7 each year. a. Write a formula for the nth term of the arithmetic sequence that models the percentage of women ages 25 and older b. Use the model from part (a) to project the percentage of women ages 25 and older who will be college graduates by 2019. Percentage of College Graduates a Country Ages 25 and Older had graduated from college n years after 1989. 32 2 31.5 24.2 1990 2010 Year I Male O Female a. The formula for the nth term of the arithmetic sequence is a,U (Use integers or decimals for any numbers in the expression.) b. Approximately% of women ages 25 and older will be college graduates by 2019. (Simplify your answer.)

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A:

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A:

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.