Question

PLZ HELP ASAP I FORGOT THE STEPS MY TEACHER TOLD ME TO DO IT

AND HELP WITH ALL THE QUESTIONS PLZ
:) :) :) :) :) <
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Answer 1

1. 18x+16 in

To find the perimeter of a rectangle you have to add all the side together. Two sides are 5x+2 in and two sides are 4x+6 in. 5x+2+5x+2+4x+6+4x+6=18x+16

Sorry I don't know how to do the others.