Answer:
3053.63
Step-by-step explanation:
Use the equation for sphere volume: 
Plug the values in and get
≈ 3053.63
Note: exact value of pi used.
3t - 7 = 5
3t = 12
t = 4
6t = 6.4 = 24
Have a nice days..........
Just took the test, the correct answer -29.75mm^3 / day
Hope this helps :)