A rectangular gym has an area of 4x2 ft2. The school decides to add a new weight room. The total area of the gym and the weight room is (4x2 + 520) ft2.What does the constant term represent in terms of this problem? A.The new weight room has an area of 4x2 ft2. B.The gym has an area of 520 ft2. C.The new weight room has an area of 520 ft2. D.The new weight room can hold 520 people.