1. A personnel director ranks 4 applicants for a job. How many rankings are possible?
2. An organization wants to select a president, vice president, secretary, and treasurer. If 8 people are willing to serve and each of them is eligible for any of the offices, in how many different ways can the offices be filled?
3. A utility company sends teams of 4 people each to perform repairs. If it has 12 qualified people, how many different ways can people be assigned to a team?
4. An organization wants to select a committee of 4 members from a group of 8 eligible members. How many different committees are possible?