1.	Find + + .
		A.	1	B.
		C.		D.
		Hint
	2.	To add fractions with like denominators,________.
		A.	add the numerators and subtract the denominators	B.	add the numerators
		C.	subtract the numerators	D.	add the numerators and add the denominators
		Hint
	3.	Find .
		A.		B.
		C.		D.
		Hint
	4.	Solve
		A.		B.	1
		C.	-1	D.
		Hint
	5.	Subtract from .
		A.		B.	−9
		C.		D.	9
		Hint