The volume of a right circular cone is pie *r square* h/3
Hm..I'm pretty sure the answer is 34
Answer:
$276
Step-by-step explanation:
Create a proportion where x is the cost to refinish the larger wood floor:
= 
Cross multiply and solve for x:
3x = 828
x = 276
So, to refinish the larger wood floor, it would cost $276
B) y = -2x
when x = a
y = -2a
when x= 2a
y = -2(2a) = -4a