'1} Cindy has 135 feet of fencing to build a rectangular dog run. She plans to build it against an existing wall. This means that she will use the 185 feet of fencing to build only 3 sides, because the fourth side of the dog mn will be a wall that already exists. all Find the dimensions of the dog run that will maximize the floor area of the dog run. The shortest side is called the "width" and the longest side is called the "length". Type the exact answers as decimals. The desired width is feet. The desired length is feet. b} Find the maximum area of the dog run. Type the exact answer as a decimal. The maximum area is square feet