Answer:
Buró o mesa de noche
Explanation:
Both have the same meaning "nightstand" but one is formal and the other one is informal.
1:4 is already a ratio, but a fraction could be 4/16
who visits the school?
1. fuimos
2. vivió
3. existieron
4 era
5. se destacaba
6. estudiaban
7. calculaban
8. vimos
9. calculamos
10. pesaba
11. tenían
12. tenían
13. aprendimos