What is the answer to this question?

The red one, or the one all the way to the right, or the last one

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

35x 3= 105

step-by-step explanation:

35+35= 70   70 + 35= 105