A homeowner has two rectangular structures in her backyard. The dimensions of the hot tub are 6 feet by 8 feet. The dimensions of the fire pit is 7 feet by 9 feet. The length of the square backyard is 20 feet. What area is the yard is not covered by the hot tub and there fire pit?

Question number 2 please!
Thank you in advance!

A homeowner has two rectangular structures in her backyard The dimensions of the hot tub are 6 feet by 8 feet The dimensions of the fire pit is 7 feet by 9 feet class=