1.	Select the set of numbers to which does not belong.
		A.	natural numbers	B.	irrational numbers
		C.	integers	D.	rational numbers
		Hint
	2.	Which statement about is correct?
		A.	is rational since 84 is an even number.	B.	is irrational and the graph of lies between 9 and 10.
		C.	is rational since it can be represented by a decimal.	D.	is irrational and the graph of lies between 8 and 9.
		Hint
	3.	The radius of a sphere is given by , where A is the surface area of the sphere. Suppose a sphere has a surface area of 36 square inches. What is the measure of the radius? (Round to the nearest tenth of an inch.)
		A.	3 inches	B.	1.7 inches
		C.	2.9 inches	D.	3.4 inches
		Hint
	4.	The set {0, 1, 2, 3, 4, …} refers to the ______________.
		A.	natural numbers
		B.	whole numbers
		C.	rational numbers
		D.	integers
		Hint
	5.	Which graph best represents -?
		A.
		B.	irrational
		C.
		D.
		Hint