1.	Find .Write the sum in simplest form.
		A.		B.
		C.		D.
		Hint
	2.	Solve . Write the solution in simplest form.
		A.		B.
		C.		D.
		Hint
	3.	Solve z = – .
		A.	1	B.
		C.		D.
		Hint
	4.	Find + written in simplest form.
		A.		B.
		C.		D.
		Hint
	5.	Find - written in simplest form.
		A.		B.
		C.		D.
		Hint