Tim wrote y = -2(x+4)^2-13 in standard form as y = 2x^2+16x+45. Find his error. The standard form of y = -2(x+4)^2-13 is y = [ ]

Tim multiplied by [ ] instead of [ ]

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?