Since x=7 we plug the number in for x and get 7-8
Answer= -1
465.98-10.00-14.95-6.07-109.1+(30.00) =355.86
Answer:
area = 220.5 ft²
Step-by-step explanation:
2(Length) + 2(10.5) = 63 feet
2L + 21 = 63
subtract 21 from each side of the equation:
2L = 42
divide both sides by 2:
L = 21 feet
area = L x W = 21 x 10.5 = 220.5 ft²
