how many solutions are there to this non-linear systems/graph a. one solution, b.two solutions, c.no solutions

Which number is irrational? a) 16 b) 18 c) 25 d) 36

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

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?