3.14 times 6, subtract 3 equals what?

(hurry i need this now)

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

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?

What is the value of x? enter your answer in the box.