no
No, it is never hypenated
Most people would spell it sixteen-year-old child. But over the last 20 years, people are ignoring the hyphens.
spell your full name with your tonguein cursive
Yes, you do. "Stay-at-home" is hyphenated, but "mother" does not have to be. Either version is grammatically correct.
Two thousand nine hundred sixty-six. You only use hyphens for numbers between 21 and 99.
I really doesn't matter, but if you're writing an essay or something, keep all words that can have hyphens, either wil hyphens or without them. My point is that you want to be consistent.
Hyphens not needed
M-i-s-s-i-s-s-i-p-p-i (without the hyphens of course). Be sure to always capitalize the "m".
There are no hyphens in the word ago.
It depends on your point of view. It depends on your point of view. It depends on your point of view.
view
An omission point is this: ... A point of view is a way of thinking about something An opinion