Answer:
15
Step-by-step explanation:
magical it is 15 because it is what it is
Volume = pi * r^2 * h
h = 3r
pi * r^2 * (3r) = 24 pi
3r^3 = 24
r^3 = 8
r = 2
Height = 3*2 = 6 units
Answer:
x = 4.2
Step-by-step explanation:
72 + 10x = 114
10x = 114 - 72
10x = 42
x = 42/10
x = 4.2
Answer: 
<u>Use the slope formula</u>



<u>Note</u>

Answer:
cos(x)(cos(arctan(0cos(x)))+isin(arctan(0cos(x)))) = 0
Step-by-step explanation:
I think this helps