Which of the following is true about the bisectors of a segment in a plane? a. every segement has exactly one bisector b. every segment has exactly two bisectors c. every segment has 10 bisectors d. every segment has infinitely many bisectors

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?