A company produces canned tomatoes. They want the height h of each can to be twice the diameter d. Enter an equation for the surface area A of the can in terms of the radius r. If the company wants to use no more than 90 square inches of metal for each can, what is the maximum radius of the can they will produce? Round to the nearest tenth of an inch.

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.