1.	Find .
		A.	-14	B.	-15
		C.	14	D.	15
		Hint
	2.	If the area of a square is 2.89 square meters, what is the length of each of its sides.
		A.	1.5 m	B.	1.7 m
		C.	1.4 m	D.	1.6 m
		Hint
	3.	Solve the equation x2 = 0.81.
		A.	x = -0.9 only
		B.	x = 0.9 only
		C.	x = 0.9 or x = -0.9
		D.	none of these is correct
		Hint
	4.	Find .
		A.	30 and -30	B.	30
		C.	-30	D.	90
		Hint
	5.	Find .
		A.	-25	B.	15
		C.	25	D.	-15
		Hint