Help determining simple vs. compound sentences?

pleasee, which are simple or compound?? as many as possible please

1. In the pantry we found only a can of peas and a sack of flour.

2. You can help, or you can leave.

3. Connie enjoyed the book and will write a favorable book report.

4. It may be cold, but at least it's not humid.

5. The quarterback played in the Super Bowl, and then he went to Disney World.

6. French is his favorite language, and Italian is his favorite type of food.

7. The lights are lit, but no one appears to be home.

8. Paul quit his job, but he was not out of work for long.

9. Walk; don't run.

10. Hong Kong is an exciting city, but Buenos Aires is my favorite.

11. The books and the paper must be moved before morning.

Thanks!