Rest, because you're usually looking for the word it gives along with repose with the 'and' separating it. I hope that makes sense.
Maybe explain how this is positive in a way that you think it is, but I suggest trying to find some negative criticism as well.
Answer:
Second Answer: All
Explanation:
Commingle means to mingle and to mingle means for the gathering of many. Given the options, the word all is the best answer.
1)Mandatory
Everyone that's 6 to 14 has to go to school. I'm unsure of the rest of the answers.