Punctuation Picks

My picks are 1, 4, 5, 7, 9, 11 and 13. Am I correct? Thanks.

1.The big black bear ate the porridge.
2. The big, black bear ate the porridge.

3. The red, white and blue flag was beautiful.
4. The red-white-and-blue flag was beautiful.

5. The photos were black and white.
6. The photos were black-and-white.

7. His face was beet red.
8. His face was beet-red.

9. Her explanation was dead on.
10. Her explanation was dead-on.

11. The software was user friendly.
12. The software was user-friendly.

13. Joe is extremely good looking.
14. Joe is extremely good-looking.

Thank you.