no
It can go either way.
You do not need to hyphen above noted. Hyphens are typically reserved for compound words and phrases such as long-lasting.
It does not need to have a hyphen! :)
Reaccreditation does not need a hyphen. However, it is a long word, and it is not uncommon to see it hyphenated as re-accreditation. It is likely that neither form would be considered incorrect.
No
It's not a word in the dictionary, so yes, use the hyphen.
I do not believe that multitasking is supposed to have a hyphen.
You typically need only capitalize after sentence-ending punctuation, which a hyphen is not.
long-overdue
no
No