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Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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?