Leah is buying curtains for her bedroom window. she wants the curtains to hang from the top of the window to the floor. the window is 4 feet high. the bottom of the window is two and one half feet above the floor. how many inches long should leah's curtain be?

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