What is the sum of all integers between 12 and 53

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

For the equations below which statement is true ? -2x=14 6x=-42

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?