Answer:
1. venimos
2. vienen
3. vienes
4. vengo
5. venis
6. vienen
7. vienen
8. vienen
9. vienen
10. viene
Explanation:
The conjugation of the verb venir is very similar to conjugating the verb tener. For each question I figured out the pronoun and then conjugated as necessary.
Answer: viven
The square root of 18 is 4.2426406871
or if you simplify it, 4.2