1.	What is the geometric mean between and 12?
		A.		B.
		C.		D.
		Hint
	2.	Find the value of x.
		A.		B.
		C.		D.	12
		Hint
	3.	Find the value of y.
		A.	24	B.	9
		C.		D.	2
		Hint
	4.	Find the geometric mean between 7 and 13.
		A.		B.	20
		C.		D.
		Hint
	5.	Find b in TRG .
		A.	2.4	B.	4.9
		C.	2.8	D.	3.5
		Hint