2. If 5/7a = 1/b-a, which of the following proportions is equivalent? A) a/b = 5/12
B) a/b= 5/2
C) b-a/a = 5/7
D) b-a/a = -7/5

step-by-step explanation:

answers available in this download

(pearson%2c%25202012)%2520bbs.pdf& usg=aovvaw1obmtxnfghfgxhx0urh_je

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

answer: idk

step-by-step explanation: