1.	Solve the system of equations. x2 + y2 = 4
		A.		B.
		C.	no solution	D.
		Hint
	2.	Which graph shows the solution of the system of inequalities?
		A.		B.
		C.		D.
		Hint
	3.	Solve the system .
		A.		B.
		C.		D.
		Hint
	4.	Solve the system
		A.		B.
		C.		D.
		Hint
	5.	Which graph represents the solution of the system of inequalites
		A.		B.
		C.		D.
		Hint