The frequency of G3 is 196.00 Hz. What is the frequency of G1, which is two octaves below G3?

49.00 Hz

98.00 Hz

392.00 Hz

784.00 Hz

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?