Answer:
2.7, or 2
, or 
Step-by-step explanation:
Answer:
1767.1 inches cubed
Step-by-step explanation:
The volume of a ball, or a sphere, is:
, where r is the radius.
Here, the radius is r = 7.5. So, plug in this value: 
562.5 pi is about 1767.1 inches cubed.
Thus, the volume is 1767.1 inches cubed.
Hope this helps!
Answer: -97
Step-by-step explanation: