Answer:
I can help you solve this.
but first telll me in the comments what is the formula for this equation and ill tell u from there
Answer:
the answer to this is b( 2,-8)
Ali has 13 CD's
Here's how I got my answer:
Step 1: Simplify
to 50. Which leaves us with 
Step 2: Simplify
to 5. Which leaves us with
.
Step 3: Simplify
, to get your answer, 13.