Answer:
D
Step-by-step explanation:
It would be a cone with a radius of 4 units rotating around y-axis.
Answer:
See the explanation below.
Step-by-step explanation:

Starting from 
By putting
we have:

52 is the answer to this question
N^3 +4n^2 +8n -16
hope it help
mark me brainliest if i right ty
Answer:
A) x = 2
Step-by-step explanation:
I am not sure but I think this means...
2x + 5 = 3x - 3
5 = 3x - 3 + 2x
5 + 3 = 3x + 2x
8 = 5x
8/5 or 1.6 = x