1.	Refer to circle C. Find the value of x.
		A.	13	B.
		C.		D.
		Hint
	2.
		A.	30	B.	45
		C.	90	D.	60
		Hint
	3.
		A.	6	B.	4
		C.	7	D.	5
		Hint
	4.	If is tangent to circle M, what is the length of a radius of circle M?
		A.	16	B.
		C.	8	D.	2
		Hint
	5.	The figure shows a quadrilateral circumscribed about a circle. Find the value of x.
		A.	30	B.	34
		C.	28	D.	32
		Hint