Find the sum of the first eight terms of the geometric sequence whose first term is -2.5 and ratio is 2.

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

In a column proof the right column states your reasons