1.	Find the value of x.
		A.	12	B.
		C.		D.
		Hint
	2.	Find the value of y.
		A.	4.5	B.
		C.		D.	18
		Hint
	3.	Which of the following special right triangles can have a Pythagorean triple as the lengths of its sides?
		A.	a 30°-60°-90° triangle
		B.	neither a 45°-45°-90° triangle nor a 30°-60°-90° triangle
		C.	both a 45°-45°-90° triangle and a 30°-60°-90° triangle
		D.	a 45°-45°-90° triangle
		Hint
	4.	Find the value of z.
		A.		B.
		C.	5	D.
		Hint
	5.	Find the value of x.
		A.		B.	10
		C.		D.
		Hint