Answer:
x is the price the helmets were sold at.
y is the business expenses.
r is the revenue.
500x - y = r
Step-by-step explanation:
500x - y = r
We multiply x, the price that the helmets were sold at. Then we subtract y, which is the business expenses. After this, we get r, our revenue.
Answer:
i dont know
Step-by-step explanation:
they got nick popkes
Answer:
B
Step-by-step explanation:
So when I was doing the math Equation 2 and Equation 3 were it so I hope that helped and I also hope I did my math right too XD
Answer:

Step-by-step explanation:
Your r^2 times pi is the area of the base, h is the height, and 1/3 is 1/3 of a cylinder.