1.	Which tree diagram shows all the possible results of buying volleyball shoes V, running shoes R, and dress shoes D if each type of shoe comes in black, navy, and red.
		A.		B.
		C.		D.
		Hint
	2.	Which diagram illustrates all the different choices when spinning both spinners at the same time?
		A.
		B.
		C.
		D.
		Hint
	3.	The letters a, b, c, and d will be used to form passwords for the school's computer system. How many 4-letter passwords may be formed if the letters can be used more than once in any password?
		A.	300	B.	256
		C.	16	D.	20
		Hint
	4.	The letters from the word ''alert'' are used to form a password into a school computer system. How many 5-letter passwords can be formed if the letters can be used more than once?
		A.	3125	B.	120
		C.	625	D.	50
		Hint
	5.	How many ways can seven books be arranged on a shelf if one of the books is an algebra text and it must be in the center?
		A.	120	B.	625
		C.	720	D.	50
		Hint