1.	Simplify .
		A.		B.
		C.		D.
		Hint
	2.	Simplify .
		A.		B.	The expression is in simplest form.
		C.		D.
		Hint
	3.	Simplify .
		A.		B.	The expression is in simplest form
		C.		D.
		Hint
	4.	Simplify .
		A.		B.
		C.	The expression is in simplest form.	D.
		Hint
	5.	Three houses are sharing their electricity. One house uses W, another uses W, and the final one uses . How much total electricity are they using?
		A.		B.
		C.		D.
		Hint