1.	What is the scale factor between the large cylinder on the left and the similar cylinder on the right?
		A.	10:3	B.	16:9
		C.	8:15	D.	4:3
		Hint
	2.	If two similar solids have a scale factor of 5:4, what is the ratio of their surface areas?
		A.	125:64	B.	4:5
		C.	5:4	D.	25:16
		Hint
	3.	If the radius of a sphere is tripled, the volume is how many times as great?
		A.	3	B.	9
		C.	6	D.	27
		Hint
	4.	Find the ratio of the surface areas of these two spheres.
		A.	4:01	B.	8:01
		C.	2:01	D.	16:01
		Hint
	5.	Find the scale factor of these two cylinders.
		A.	1:05	B.	1:04
		C.	5:09	D.	1:08
		Hint