1.	An arrangement in which order is not important is a(n) ________.
		A.	factorial	B.	permutation
		C.	combination	D.	outcome
		Hint
	2.	How many ways can 3 CDs be selected from a stack of 7 different CDs?
		A.	35	B.	5040
		C.	245	D.	6
		Hint
	3.	All-Star Pizza offers a large pizza with any three toppings for $9.95. If you can choose from 13 different toppings, how many different pizzas are possible?
		A.	286	B.	715
		C.	1287	D.	78
		Hint
	4.	If you have 10 CDs, and you want to take three of them with you on a road trip, how many different possibilities are there for which three you bring?
		A.	120	B.	10
		C.	604,800	D.	3
		Hint
	5.	Ten students are playing in a chess tournament. If each student plays every other student once, how many total games are played?
		A.	30	B.	45
		C.	90	D.	120
		Hint