(4ab-8^2+12ac)/4a find the quotient of the given expression

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?

For how answer my question this will be the last question can you answer in math subject

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?