Please help me with math

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Someone answer this check out the image!

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2