First come first served brainiest

Arrange these numbers from least to greatest 3/5 5/7 2/9

Which number line represents the solution set for the inequality -1/2x> 24?

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?