You are going to use an incline plane to lift a heavy object to the top of a shelving unit with a height of 7ft. The base of the incline plane is 13ft from the shelving unit. What is the length of the incline​ plane?

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27