1.	Find the value of x.
		A.	8	B.	5
		C.	20	D.	0.8
		Hint
	2.	Find the value of x to the nearest tenth.
		A.	3.7	B.	16.2
		C.	10.0	D.	13.2
		Hint
	3.
		A.	7.2	B.	2.2
		C.	3.6	D.	4.4
		Hint
	4.	In the figure, and are ______.
		A.	tangent segments	B.	secants
		C.	secant segments	D.	external secant segments
		Hint
	5.	Find the value of z.
		A.	10	B.	15
		C.	9	D.	11
		Hint