A company car that has a seating capacity of eight is to be used by eight employees who have formed a car pool. If only four of these employees can drive, how many possible seating arrangements are there for the group?  possible arrangements

A class of 15 students will chose between style of course text book; one text for each student. The choices are hardback, loose leaf and electronic copy. How many types of book orders are there? Note: a book order would be, say, 8 hardback, 4 loose leaf, 3 electronic and another might be 7 electronic, 3 hard back and 5 loose leaf.

Suppose you have a choice of ten TV sets that can be matched with any of six DVR players and eight DVD players. How many different TV/DVR/DVD systems can you assemble?

A group of 9 women and 6 men must select a 4-person committee. How many committees are possible if they consist of a. two women and two men b. any mixture of men and women c. majority of women