1.	Find the value of x to the nearest tenth.
		A.	3.7	B.	10.0
		C.	13.2	D.	16.2
		Hint
	2.
		A.	12.2	B.	9.6
		C.	7.1	D.	8.3
		Hint
	3.	In the figure, and are ______.
		A.	external secant segments	B.	secants
		C.	tangent segments	D.	secant segments
		Hint
	4.	Find the value of z.
		A.	10	B.	15
		C.	9	D.	11
		Hint
	5.	Find the value of x.
		A.	4	B.	3
		C.	5	D.	2
		Hint