Which of the following demonstrates the distributive property?
ab + ac = ac + ab
ba = ab
a(b + c) = ab + ac
ac – ab = -ab + ac

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