1.	Simplify .
		A.		B.
		C.		D.
		Hint
	2.	Simplify .
		A.		B.
		C.		D.
		Hint
	3.	Simplify .
		A.		B.
		C.		D.	The expression is in simplest form.
		Hint
	4.	Simplify .
		A.	The expression is in simplest form	B.
		C.		D.
		Hint
	5.	Simplify .
		A.		B.
		C.		D.	The expression is in simplest form.
		Hint