What is the slope of the line that contains the points (6,-1) and (2,4)

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?

What is the distance between point a and b

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3