Mike bought an mp3 player for $150. the sales-tax rate was 8 percent. how much sales tax did he pay on the mp3 player?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *