The x intercept is the amount of money she has and I don't know what it is.... sorry. I knew what it stood for though.
The formula is 2(wl+hl+hw) to calculate surface area fo a rectangular prism.
The slope is -1/2. When it’s in the equation like that, the slope is always the number that has the letter X next to it.
Answer:
Area is about 1520.53
Step-by-step explanation:

A = 
A ≈ 1520.53