The central angle of a sector is 72 and the sector has an area of 5 pi. find the radius

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents