Please help me! f( x) = -3 x + 7, calculate f(-9)

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

the answer is 54 sq. ft. i just did this question, on odyssey ware, and it was right. make brainliest.

you could deduce the conclusion directly using the facts pertaining to the specific situation.

hope this .

i will with my problems and all the other things that need to   be on by the way

step-by-step explanation: