Round 5,370,288 to the nearest 100,000

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?

Which of the following is the graph of y= square root -x-3

Which graph depicts the path of a projectile