Answer:
47 miles
Step-by-step explanation:
On the 3 day bike ride, they will ride 156 miles. After the first day of travelling 64 miles, they had 156 - 64 = 92 miles left. After the second day of traveling 45 miles, they had 92 - 45 = 47 miles left. They have 47 miles left on the third day.
The answer would be A. 220. Hope I could help!
- - Solve:
To find the volume of a sphere:

3.14≈π
Now since its telling us to use π, then we do our formula by multiplying by π.
π=3.14 (Approximate amount)
So:

So you are correct.
When Radius=9, you plug in for R. :)