What kind of sentence are these two sentences?

(Compound, simple, complex, compound-complex)

1. Food is scarce; don't waste it.

2. Sarah finished her homework early and turned it in.

3. We placed decorations in the hall, in the gym, and outside in the courtyard.

4. Anyone who is hungry would never turn down a hamburger.

5. I like jazz; my favorite kind of jazz is the blues.