The answer is D.
Explanation- 28/7=4
19-4 =15
It would be the third choice if ur rotating from point A
4(2x+3)(2x-3) is the answer
23 to the 3 because I just took it
So perimeter is equal to 2 lengths and 2 width so the equation would be P=2L+2W. you know width so you plug in 5 for W then solve for L and you should get L=3