First, break up the entire thing into smaller rectangles then find the area of all of those rectangles and add them together to get 30 square feet.
Answer:
9
Step-by-step explanation:
First, find <em>x</em>. Since <em>x</em> is the average of the three number, add the three up and then divided by three. Thus:

<em>y</em> is the cube root of 8. Thus:
![y=\sqrt[3]{8}=2](https://tex.z-dn.net/?f=y%3D%5Csqrt%5B3%5D%7B8%7D%3D2)
So:

Answer = 9m + 4
just do 15m subtracted from 6m to get 9m and let the 4 be