If a new cd player in north carolina costs 225 dollars and the sales tax is 4.75 percent how much will a customer save during a tax free holiday when tax does not need to be paid

How to determine whether two known pairs of points are on the same line.

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

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