What is the common ratio of the following geometric sequence: 90, 135/2, 405/8

A) r = 4/3

B) r = - 4/3

C) r = - 3/4

D) r = 3/4

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

(x-5)1/2+5=2 what is possible solution of this equation

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?