1.	Find + + .
		A.	1	B.
		C.		D.
		Hint
	2.	To add fractions with like denominators,________.
		A.	subtract the numerators	B.	add the numerators and subtract the denominators
		C.	add the numerators	D.	add the numerators and add the denominators
		Hint
	3.	Subtract from .
		A.		B.	9
		C.		D.	−9
		Hint
	4.	Evaluate a - b if a = and b = .
		A.	-1	B.
		C.	1	D.
		Hint
	5.	Give the height of a stack of three boxes if each box is 19inches tall.
		A.	58inches	B.	59inches
		C.	60inches	D.	57inches
		Hint