Will someone solve with explanation ? i answered wrong

What is not true about kl and mn? what is mn? (show your work)

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 choices shown could be used to prove that aacp=abcp ?