It says it isn’t correct but I can’t get another answer...

What term makes it inconsistent y=2x - 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?

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is