A parking lot is build in the shape shown, made of four squares. The length of one side of the square is a meters. There is a wall around the outside of the parking lot. The parking lot has a concrete floor. The floor costs $50 per square meter. The wall costs $7 per meter length. The perimeter of the parking lot is P meters and the area of the parking lot is A square meters. (a) Express the perimeter in terms of the area (answer has A in it but no z) Show work meters (b) If the perimeter is 50 meters what is the area ? (answer is a number, no unknowns) Show work m Wall shown thick (c) Express the total cost of the fence and concrete in terms of the perimeter. (z not allowed in answer) $ Show work (d) If the area is 400 square meters, what is the total cost? (answer is a number with no unknowns) Show work