1.	Find + + .
		A.		B.
		C.		D.	1
		Hint
	2.	To add fractions with like denominators,________.
		A.	add the numerators and add the denominators	B.	subtract the numerators
		C.	add the numerators and subtract the denominators	D.	add the numerators
		Hint
	3.	Solve
		A.	1	B.	-1
		C.		D.
		Hint
	4.	Suppose you bought two storage blocks for your bedroom. One is inches high. The other is inches high You want to stack them and fit them under the window, which is 21 inches from the floor. Will they fit?
		A.	They will fit exactly.	B.	They will fit but not exactly.
		C.	None is correct.	D.	They will not fit at all.
		Hint
	5.	Evaluate a - b if a = and b = .
		A.		B.
		C.	-1	D.	1
		Hint