1.	Find the value of x.
		A.	20	B.	0.8
		C.	8	D.	5
		Hint
	2.	Find the value of y to the nearest tenth.
		A.	7.5	B.	7.6
		C.	7.2	D.	8.0
		Hint
	3.	In the figure, and are ______.
		A.	secant segments	B.	secants
		C.	external secant segments	D.	tangent segments
		Hint
	4.	Find the value of z.
		A.	9	B.	10
		C.	11	D.	15
		Hint
	5.	Find the value of x.
		A.	2	B.	4
		C.	3	D.	5
		Hint