Who knows math very well I need help with this test

i am currently in the exact same situation rn. algebra2/adv algebra is killing

step-by-step explanation:

add 5 subtract 1

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

what level of math? also i don't need to be paid if i can you.