Maxine spent 15 hours doing her homework last week. this week she spent 18 hours doing homework. she says that she spent 120% more time doing homework this week. is she correct?

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