Maria needs to determine the lengths of the sides of a rectangle. she knows only the perimeter of the rectangle. she knows the formula for perimeter is 2l + 2w = p. which shows how maria can rewrite the equation to her find possible lengths and widths for any rectangle?

so what is the question

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.