Joe lives in a country where the citizens decide where they want to work, what they want to buy, and how much they want to pay for items. Based on this limited description, Joe's country operates under what kind of economic system?
Market
Command
Traditional
Monopoly

What were the death camps? who was sent there?

At what age must a person begin receiving their roth 401(k) payments?

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling