1.	Ten points are located on a circle. How many line segments can be drawn with these points as endpoints?
		A.	10	B.	100
		C.	90	D.	45
		Hint
	2.	Find the value of C(13, 2).
		A.	78	B.	156
		C.	13	D.	66
		Hint
	3.	How many ways can a committee of 2 girls and 1 boy be formed from a class of 13 girls and 7 boys?
		A.	546	B.	169
		C.	91	D.	1,092
		Hint
	4.	There are 23 students in Mr. Blackwell’s science class. Five students are picked to talk to the elementary students who will be coming to the middle school next year. Does this represent a combination or a permutation? How many ways can the students be chosen?
		A.	permutation; 33,649 ways	B.	permutation; 4,037,880
		C.	combination; 4,037,880 ways	D.	combination; 33,649 ways
		Hint
	5.	There are 23 students in Mr. Blackwell’s science class. Three students are picked to go elementary schools that have students coming to the middle school next year. Each student will go to a different elementary school. Does this represent a combination or a permutation? How many ways can the students be chosen?
		A.	permutation; 1,771 ways	B.	combination; 1,771 ways
		C.	combination; 10,626 ways	D.	permutation; 10,626 ways
		Hint