Sam has 27 dolls she byes 5× as many how many does she have? explain

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

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?

Is this a polynomial function? i need to know asap