The triangular pyramid needs square inches of construction paper to make. The square pyramid needs square inches of construction paper to make. The pyramid will need square inches more construction paper to make than the other pyramid. Need help ASAP

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image