A square playground is being built. It has to have side lengths between 15 m and 16 m due to obstructions and the size of the playground equipment. What are two possible whole number areas that the playground can be? This is urgent; Can someone help me?

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?