Complete the following pattern: 12, ___, 18, 21

15

16

Complete the following pattern: 4, 7, 10, 13, 16, 19, ___ .

35

22

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?

Which line is parallel to a line that had a slope of 3 and a y intercept at (0,0)