Use the number line to find a fraction that equals to 1/2

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

What is a possible solutions of the x> 3?

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?