I need help ASAP ! YUR

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?

Finding tbe values of the variables in each kite

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount