1.	Find .
		A.	15	B.	14
		C.	-14	D.	-15
		Hint
	2.	Find
		A.		B.
		C.		D.
		Hint
	3.	If the area of a square is 2.89 square meters, what is the length of each of its sides.
		A.	1.4 m	B.	1.7 m
		C.	1.5 m	D.	1.6 m
		Hint
	4.	Solve the equation x2 = 0.81.
		A.	x = 0.9 or x = -0.9
		B.	x = -0.9 only
		C.	x = 0.9 only
		D.	none of these is correct
		Hint
	5.	Solve x2 = 256.
		A.	x = 128	B.	x = 64
		C.	x = 65,536	D.	x = 16
		Hint