Across
- 3. to fold
- 4. to put to use
- 5. another form of ply
- 6. a problem that makes a situation difficult
- 7. to make an exact
- 8. to increase the amount of something
- 9. clearness in communication
Down
- 1. the process of adding a number a to itself a certain amount of times
- 2. to copy something
- 4. someone who helps