Answer:

Step-by-step explanation:
Use the circle equation, 
Plug in the center and radius:

Simplify:

So, the equation is 
27.99x.075= 2.09925 or 2.10 Rounded
27.99+2.10= $30.09
It's the third one and the last one are the only ones that make immediate sense.
Answer:
Step-by-step explanation:
just replace x into the equation to see if y match with the table.