1.	Find the value of x.
		A.	5	B.	8
		C.	0.8	D.	20
		Hint
	2.	Find the value of x to the nearest tenth.
		A.	16.2	B.	13.2
		C.	3.7	D.	10.0
		Hint
	3.
		A.	7.1	B.	9.6
		C.	8.3	D.	12.2
		Hint
	4.	Find the value of z.
		A.	6.5	B.	12.25
		C.	1	D.	4
		Hint
	5.	In the figure, and are ______.
		A.	external secant segments	B.	secants
		C.	secant segments	D.	tangent segments
		Hint