1.	Find the square root
		A.		B.	11
		C.	121	D.
		Hint
	2.	Evaluate when a = 5 and b = 20.
		A.	5	B.	-5
		C.	25	D.
		Hint
	3.	To what set of numbers does belong?
		A.	rationals	B.	integers
		C.	whole numbers	D.	irrationals
		Hint
	4.	Find
		A.		B.
		C.		D.
		Hint
	5.	Find
		A.	-1.1	B.	1.1
		C.	11	D.	1.1
		Hint