The measure, in degrees, of the three angles of a triangle are given by 2x + 1,3x - 3, and 9x. whar is the measure of the smallest angle

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?