Please help me, I am sorry that I’m so terrible at math

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?

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class