The number of cars sold last year by different salespeople at a dealership are shown in the stem-and-lead plot below. What was the mean number of cars sold by a sales person last year? A.)71
B.)72
C.)73
D.)76

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