1.	A whole number that has exactly two factors, the number itself and 1, is called a ______.
		A.	radical number	B.	prime number
		C.	square number	D.	composite number
		Hint
	2.	A whole number that has more than two factors is called a _____.
		A.	composite number	B.	prime number
		C.	square number	D.	radical number
		Hint
	3.	Simplify the expression .
		A.	17	B.	12
		C.	9	D.	13
		Hint
	4.	Simplify the expression .
		A.	8	B.	14
		C.	12	D.	20
		Hint
	5.	Simplify .
		A.		B.
		C.		D.
		Hint