1.	The local Humane Society needs to select 2 out of 4 cats to feature in a newspaper advertisement. One will appear in the Saturday paper, and the other will appear in the Sunday paper. How many ways can the cats be selected?
		A.	12	B.	24
		C.	2	D.	16
		Hint
	2.	There are 8 floats in a parade. If the float carrying the grand marshal must be first, how many ways can the parade organizer pick the next two floats in the parade?
		A.	42	B.	28
		C.	56	D.	21
		Hint
	3.	How many 3-digit whole numbers can you write using the digits 1, 3, 5, and 7 if no digit can be used twice?
		A.	24	B.	64
		C.	4	D.	12
		Hint
	4.	Consider all of the five-digit numbers that can be formed using the digits 1, 2, 3, 4, and 5 where no digit is used twice. Find the probability that one of these numbers picked at random is between 10,000 and 20,000.
		A.	16%	B.	25%
		C.	20%	D.	33%
		Hint
	5.	Consider all of the six-digit numbers that can be formed using the digits 1, 2, 3, 4, 5, and 6 where no digit is used twice. Find the probability that one of these numbers picked at random is between 100,000 and 300,000.
		A.	24%	B.	16%
		C.	40%	D.	33%
		Hint