Purchase price is $426. what is the total if the sales tax rate is 8%

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

The square root of 9x plus 7 plus the square rot of 2x equall to 7