1.	Find .
		A.	14	B.	15
		C.	-15	D.	-14
		Hint
	2.	Solve the equation x2 = 0.81.
		A.	none of these is correct
		B.	x = 0.9 or x = -0.9
		C.	x = 0.9 only
		D.	x = -0.9 only
		Hint
	3.	Determine whether the number is rational or irrational.
		A.	rational	B.	irrational
		C.	neither	D.	both
		Hint
	4.	Simplify .
		A.		B.
		C.		D.
		Hint
	5.	Evaluate.
		A.	–3	B.	2
		C.	3	D.	–2
		Hint