15. An equestrian club wants to construct a corral next to the barn, using the side of the barn. They have 300 ft of fencing. Find the dimensions that give the maximum area. 60 ft

Mary wants to make 6 cans with a hight of 5 inches and a diameter of 6 inches. She is going to cut them from a sheet of metal.  What is the total surface area for the cans?

Rodney has 1,200 feet of fence with which he wants to build a rectangular section for his puppy to exercise. What should be the measures of the rectangle to have maximum area. Indicate only the smaller of the 2 measurements between length and width. A. 300 B. 250 C.320 D. 280

A department of roads and highways is doing a drive, a driver's rest area on the side of a highway. The land must be rectangular, with an area of ​​5000m² and must be fenced on three sides that do not damage the road. What is the smallest length of fence required for the work? Answers: 200m