In the question, we are given the table below
We also know that one song cost $0.50 and one album cost $4. The total amount she has to download music is also given as $15.
If we let the number of songs be s and the number of albums be a. We can create an equation below as :

We can complete the table using the equation above.
When s =6, we have

When a = 1

When s= 30

We can then have the answers in order.
Answer A: Table
Answer B: Equation

Answer C: Graph