The total cost after sales tax to fix azar’s computer is represented by the expression 0.08(55h) + 55h, where h represents the number of hours it takes to fix azar's computer.
what percentage sales tax is azar being charged? explain your answer using 1-2 complete sentences.
what part of the expression represents the dollar amount of sales tax azar must pay? explain your answer using 1-2 complete sentences.