1.	Find .
		A.	-15	B.	-14
		C.	14	D.	15
		Hint
	2.	Find
		A.		B.
		C.		D.
		Hint
	3.	Find a number that when squared equals 484.
		A.	None of these is correct	B.	-22 only
		C.	22 only	D.	22 or -22
		Hint
	4.	Solve the equation x2 = 0.81.
		A.	x = -0.9 only
		B.	none of these is correct
		C.	x = 0.9 or x = -0.9
		D.	x = 0.9 only
		Hint
	5.	Simplify .
		A.		B.
		C.		D.
		Hint