ME AYUDA??? Es fácil.

What is this equation in point-slope form?

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?

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x