Combine 3, 5, 9. then combine 4, 2, and 2.
Answer:
Yes
Step-by-step explanation:
Yes, it's a function.
If It have one more y to the same x, it's not a function.
I hope I've helped you.
Explanation
The radius of a sphere is the distance from its center to its surface. Assuming a sphere with a radius r its volume is given by the following formula:

In this case the radius of the sphere is of 4.7 miles. Then we take r=4.7 and we find its volume:

Answer
Then the answer is 434.9.