The axis of symmetry would be -3 because it is always the (x) of the vertex
Answers: 
1. Switch sides

2. Subtract by 8 from both sides of equation.

3. Simplify.

4. Multiply by -1 from both sides of equation. (it's should be the reverse inequality).

5. Simplify.

6. Then you had to divide by 9 from both sides of equation.

7. Simplify.

8. Divide by the numbers.



9. Divide by the numbers.



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I think C Tell me if I’m wrong
Answer:
if im right its number 4!! if its not right sorry i did the math and thats what i got!!
She should chose the $9 because it is cheaper ;)