1.12.3 (cst) for apex.. can someone me. serious answers plz : )

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?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?