1.	Find the value of y to the nearest tenth.
		A.	8.0	B.	7.5
		C.	7.6	D.	7.2
		Hint
	2.
		A.	8.3	B.	7.1
		C.	12.2	D.	9.6
		Hint
	3.	Find the value of z.
		A.	12.25	B.	6.5
		C.	1	D.	4
		Hint
	4.	In the figure, and are ______.
		A.	secants	B.	secant segments
		C.	external secant segments	D.	tangent segments
		Hint
	5.	Find the value of x.
		A.	7.5	B.	3
		C.	12	D.	6
		Hint