Answer:
18 sq ft
Step-by-step explanation: all you have to do is add the sides. 5+5=10
4+4= 8
10+8=18
This makes the most sense with the answers givin
Answer:
A≈254.47ft²
Step-by-step explanation:
A=πr2=π·92≈254.469ft²
Answer:
y(3y - 4)
Step-by-step explanation:

Both have y.
Factor y out of 

i think it will make it smaller due to the base being longer which stretches out the two sides and makes less space inside of the triangle
Answer:
idk mush
Step-by-step explanation:
i dont have a clue