I need to know what the volume is

Classify the following triangle check all that apply

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?