Select all of the expressions that are equivalent to 3(2x−1)+3x 6x−3+3x 9x−3 6x−1+3x 3(2x)−3(1)+3x 6x

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