8. A truck with dimensions 9 feet long, 7 feet wide, and 5 feet high is delivering sand for a sand sculpture competition. How many trips must the truck make to deliver 945 cubic feet of sand?
9. A rectangular block of wood is 16 cm long, 12 cm wide and 7 cm thick. What is the volume of wooden block?
10. The volume of a cube is 343 cubic units. What is the length of its side?