1.	Find the value of x to the nearest tenth.
		A.	3.7	B.	13.2
		C.	10.0	D.	16.2
		Hint
	2.	Find the value of z.
		A.	4	B.	6.5
		C.	1	D.	12.25
		Hint
	3.	In the figure, and are ______.
		A.	secants	B.	external secant segments
		C.	tangent segments	D.	secant segments
		Hint
	4.	Find the value of z.
		A.	15	B.	11
		C.	10	D.	9
		Hint
	5.	Find the value of x.
		A.	5	B.	3
		C.	2	D.	4
		Hint