Step-by-step explanation:
i hope the illustrations are clear
4x(-2) + 4 x 7 4x5 + 2x(-1) =[-8 20]
[28 -2 ]
Hello from MrBillDoesMath!
Answer:
81 ft^2
Discussion:
The area of a square is (length of a side)^2. In this case,
Area = 9^2 = 81
Regards,
MrB
P.S. I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!
