4x - 63 = 6x + 57
4x - 6 = 57 + 63
-2 = 120
X= -60
I hope this help you :)
Answer: 9 feet.
Step-by-step explanation:
Let the radius of the sphere = x feet
Therefore, the volume of the sphere =
But, According to the question,
The volume of the sphere =
⇒
⇒
⇒
⇒
⇒
Thus, the radius of the sphere = 9 feet
It would be C as no multiple of 3 can equal 13