Answer:
3-2x=15
Step-by-step explanation:
add 3 to both sides makes -2x=18. divide -2 from both side gets the answer x=-9, so the answer is C, -9
Answer:
I think its 21 but iam not sure about the rest
B looks the most reasonable
Answer:
4164.69504π
Step-by-step explanation:
So the volume of a cone is πr^2 * h / 3
r = 15.072 / π
h = 55
15.072 / π squared * π = 227.165184π
227.165184π * 55 / 3 = 4164.69504π
