Use the number line to find the measure of SV please help

Perform the required operations on the following functions given: f(x)= 3-x; g(x)= -2x find g[f(x)]

The number of possible solutions of a polynomial can be found by looking

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?