Answer:

Step-by-step explanation:
Let's write this out as an equation. Let the unknown quantity be x:

In order to solve for r you have to place all the number in one side. then isolate r ...... r=1
1 4 7 I think
I don’t know for sure though
Answer:
The point of intersection between the 2 graphs.
I think you want to write it
so it's:
9-1/3