1. take the suitcase up
2. slow down
3. pay the toll
4. write the directions
5. wait for Juan
6. give me the plane(im not so sure of this one)
7. pass me the bread rolls
8. give me the money back
No hay nada encima de la mesa. If you sound it out, it could either be "nada" or "nadie" but if you are talking about an object, then use "nada". If you are talking about someone not on the table, you would use "nadie" Nada: for object, Nadie: for person.
Hope this helped