1.	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. How many different ways can the teacher choose 10 students?
		A.	36,036	B.	133,133
		C.	360,360	D.	3,003
		Hint
	2.	Calculate 4C4
		A.	8	B.	16
		C.	1	D.	24
		Hint
	3.	Calculate 6C2
		A.	90	B.	60
		C.	15	D.	8
		Hint
	4.	Calculate 12C2
		A.	132	B.	66
		C.	48	D.	1
		Hint
	5.	How many ways can a 3-person committee be chosen from 13 people if there are no restrictions?
		A.	858	B.	1716
		C.	286	D.	143
		Hint