Answer:
If your saying that 15 is m (or the slope) I can help you there to find the equation (y=mx+b form), but i will need more detail, type more details in the comments below and ill help you from there.

is your equation. Hope this helped! :)
Answer:
3y^2 3√3y(end route) if you are simplifying, and (81y^7)^1/3 if you are rewriting it.
Step-by-step:
I know this!
Answer:
I guess this is the answer hope it helps