What is half of the total number of words in the whole english language? Hope I typed that question right lol :)

Let r = 3. what is the value of r + 58?

True or false? a circle could be circumscribed about the quadrilateral below.

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?