Asquare rug has an area of 225ft. how long is each side of the rug?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

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?