Answer:
The answer is 82.
Step-by-step explanation:
Just work it through.
Multiplying ,you get 18x^2+21x-24x-28. You simplify to get:
18x^2-3x-28.
450
56 ft
Perimeter is the distance around the shape
18 x 2 + 10 x 2 =
36 + 20 =
