. A teacher used a lever in physics class to lift a 52 pound object with only 16 pounds of force. If the weight lifted in pounds, y, varies directly with the force applied to the lever in pounds, x, then how many pounds will the lever lift if 28 pounds of force is used?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?