1.	Determine the most specific set of numbers to which -8.3 belongs.
		A.	integers	B.	whole numbers
		C.	rational numbers	D.	real numbers
		Hint
	2.	Solve the equation r2 = 38 to the nearest tenth. Is the answer rational or irrational?
		A.	or ; irrational
		B.	both of these
		C.	neither of these
		D.	or ; rational
		Hint
	3.	Solve the equation 160 = k2. Round your answer to the nearest tenth.
		A.	40.0, -40.0	B.	12.6, -12.6
		C.	7.2, -7.2	D.	25.3, -25.3
		Hint
	4.	Order and 2.75 from least to greatest.
		A.
		B.
		C.
		D.
		Hint
	5.	Solve c2 = 169.
		A.	c = 13, -13	B.	c = 84.5, -84.5
		C.	c = 28561, -28561	D.	c = 338, -338
		Hint