In a g p the sum of the 2nd term and the fifth term is 72 and the sum of the 3rd term and the 6th term is 144 dertermine the the common ratio the first term sum of the first 6 terms

just do 5.2 + 2 ( 7.2) and 1/3 x 3 (.9) and youv'e got your equation. 0.9( 9/10) + 7.2 ^2 = 16.4 hope i could !

step-by-step explanation:

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right

idk

step-by-step explanation:

answer: (3,11) is your answer.