I think there's an error with this question. Mind to check it back and tell me the detail?
Answer:
-4
Step-by-step explanation:
y=-4x-9
y=mx+b
m=slope
Volume is 4/3(3.14)(r)^2
the radius is 5.2 ft
You would have to divide 105 by 7 and get an answer then you times that answer by nine and get your answer