1.	Find .
		A.	-15	B.	-14
		C.	14	D.	15
		Hint
	2.	Find
		A.		B.
		C.		D.
		Hint
	3.	Solve the equation x2 = 0.81.
		A.	x = 0.9 only
		B.	x = 0.9 or x = -0.9
		C.	x = -0.9 only
		D.	none of these is correct
		Hint
	4.	Solve x2 = 256.
		A.	x = 16	B.	x = 128
		C.	x = 64	D.	x = 65,536
		Hint
	5.	A square has an area of 1.21 cm2. What is the length of each side of the square?
		A.	1.1 cm	B.	0.605 cm
		C.	1.4641 cm	D.	1.05 cm
		Hint