(12x 3 y 2) 2 3x 2 y = find the product of this expression

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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?