what is the y-intercept in the equation y=4x-3?

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Which value is not a solution of 8x^3 – 1 = 0

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?