A nationwide furniture company wants to survey their customers to determine whether or not they are providing quality customer service across the United States. They have 280 stores with an average of about 6,000 customers each per month. Which survey group would produce a valid sample? Group of answer choices

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?