Well I'm having troubles doing a few word problems about area and volume.

If you can show me how you do these much appreciated!

A coffee store sold two different cans.Regular and large. Dimensions of the large can is twice the dimension of the regular can. If the regular can has a volume of 72 cubic inches, what is the volume of the large can?

A sphere has a surfeace area of 6 square yards. The sphere is en;arged by a scale factor of 3 to produce a new sphere. what is the new surface area of the new sphere?

For this the answer I got was 18 square yards.

The Cylinders are similar. The Volume of the large cylinder is 64 cubic centimeters and the volume of the small is 1 cubic centimeter. The height of the large cylinder is 6cm. What is the height of the small one?