What is the coefficient of x^0

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?

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

Are you guys willing to me with these last 8 questions on my homework for math reply to this question that i posted