1.	Find 12P4.
		A.	11,880	B.	95,040
		C.	19,958,400	D.	42
		Hint
	2.	Find 8P3.
		A.	1,680	B.	24
		C.	336	D.	21
		Hint
	3.	A briefcase combination lock contains 4 digits. Each digit is a number between 0 and 9. How many different combinations are possible if each number can only be used once?
		A.	10,000	B.	40
		C.	7,200	D.	5,040
		Hint
	4.	How many different ways can a coach make a team of 18 players from a tryout of 20 people?
		A.	3,420	B.	190
		C.	380	D.	6,840
		Hint
	5.	A composition teacher needs to choose 10 students out of 15 to serve as rough draft reviewers. A group of 10 seniors, 3 juniors, and 2 sophomores have volunteered. If the students are chosen randomly, what is the probability that 6 seniors, 2 juniors, and 2 sophomores will be selected?
		A.		B.
		C.		D.
		Hint