The hyphenated non-school would be correct, but would be an unusual usage.
Yes. "Non" is not a word in its own right, and only exists as a hyphenated element.
Yes, a hyphenated word is still one word.
The spelling is one word, non-hyphenated, "biweekly" (every two weeks).
There is no prefix in the word deep, and there are no non-hyphenated prefixes.There are hyphenated compound adjectives such as skin-deep and knee-deep.The archaic term undeep meant "very far below the ground or surface."
It can be. Some words can be seen both hyphenated and non-hyphenated.
yes
The hyphenated version "non-driven" is correct.
No it shouldn't be.
It should be hyphenated: non-weight bearing.
The hyphenated non-school would be correct, but would be an unusual usage.
Yes. "Non" is not a word in its own right, and only exists as a hyphenated element.
should noncompliance be hyphenated
A non breaking hyphen.
Yes, a hyphenated word is still one word.
The word is spelled either as one word nonfinancial (nonfiscal) or hyphenated non-financial.
The spelling is one word, non-hyphenated, "biweekly" (every two weeks).