Answer:
-10w-20
Step-by-step explanation:
Distribute inside parenthesis,
5x 2w
5x-4
30
let EFH = x
Let GFH = y
x + y = 90
x = 2y
Substitute: 2y + y = 90
3y = 90
y = 30
Area of a triangle = 1/2 x base x height
Area = 1/2 x 8.7 x 8.6
Area = 37.41 square feet
