7. What is the sum of the expression below? (1 Point)
-1/2 + 2 2 2
0 1 / 2
o 227
o 21
o 21

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

mathpapa

step-by-step explanation:

middle maybe?

step-by-step explanation: