Answer: 140 ft^2
Step-by-step explanation:
Triangle:
A = 1/2bh
A = 1/2(6 • 4)
A = 1/2(24)
A = 12
Square:
A = bh
A = 16 • 8
A = 128
Add them
128 + 12 = 140 ft^2
3rd one.
6(x + 2) is simply 6x + 12
Do 12 + 7
You will get 19.
Now put that together.
6x + 19, which is option 3
Hope this helped! :D