Answer:
8x - 10
Step-by-step explanation:
Combine like terms:
2x + 6x - 10
= 8x -10
If I've read this correctly, it looks like this.

If that is correct, then the first step is to put the top part of the denominator over 3x
The next part is to flip a three tier fraction. I'm afraid I have to show what happens. My latex is not that strong.
What you get is

This is just about your final answer. You could write it as

We need the picture to answer so if you could take a picture and put it on the question
Around 4.5π. This can be determined by the volume of a sphere formula.
Answer:
w independant a dependant
Step-by-step explanation: