Help wit the image i sent

1. 1 x 40

2. 1,40, 2,80, 3, 120, 4,160

3. ??? ( you should be able to figer it out)

4. 45 x 52

5. Chairs R U's

Step-by-step explanation:

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