1. A growing volcano has already risen 7,250 feet above sea level and its crater lies 940 feet below sea level. What is the depth of this volcano in feet? yards?

2. Waimea Canyon in Kaua'i is 5170 feet high, 33 miles long, and 25 miles wide. What is its are in cubic miles?

3. If a volcano gains 3 feet and 7 inches of new land every month, how much new land will there be in 3 years in inches? feet?

4. Write and solve two word problems with at least two conversion factors.