A piece of cardboard is 20 inches by 40 inches. A square is to be cut from each corner and the sides folded up to make an open-top box. What is the maximum possible volume of the box? Round your answer to the nearest four decimal places. Volume: 0 in3 For rectangles that have a fixed perimeter of 740, what are the dimensions of the rectangle that has the largest possible area? Length= Width: 370unit You have 70 ft of fence to make a rectangular vegetable garden alongside the wall of your house. The wall of the house bounds one side of the vegetable garden. What is the largest possible area of the vegetable garden? Area= ft 2You have 7L feet of fence to make a rectangular vegetable garden alongside the wall of your house, where L is a positive constant. The wall of the house bounds one side of the vegetable garden. What is the largest possible area for the vegetable garden? Area = 6.125 ftz