Someone please help me with this math problem! thanks :)

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

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?