4(x+y) distributive property

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?

What is the value of x? enter your answer in the box.

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.