Lorraine practices piano for 1 hour every week and dances for h hours 3 times
every week. Evaluate 3h + 1 for h=2,5,
and 9 to see how many hours Lorraine
could spend practicing piano and
dancing each week.

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