A shelf has four books on it. The weight, in pounds, of each of the four books on the shelf is listed below. 8.8, 9.2, 7.3, 4.6

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