If each square on the grid represents 400 miles how many miles would Jacob's family travel in total

Which of the following tables represents exponential functions?

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?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9