You should use a hyphen to represent years with more than two digits that end in a number other than zero, such as twenty-seven and one hundred and thirty-three. The hyphen is only used between the last two digits.
Yes, whenver using square-foot you should use a hyphen
You do not use a hyphen when writing square feet. Using a hyphen would make it one word which should not be the case.
Nah.
It should be hyphenated: non-weight bearing.
Yes it should be hyphenated: well-liked.
It should be hyphenated when it is being used as an adjective.
No, it is not necessary to use a hyphen in this phrase. It should be written as "small car salesman."
It should be hyphenated when it's an adjective.
Yes, you should use a hyphen in "easy-to-use" as it functions as a compound adjective to describe a product or service that is simple or user-friendly.
The dictionaries that list it use a hyphen.
When used as an adjective compound, "out of the box" should be hyphenated. Example, "The out-of-the-box themes are very easy to use."
No, excitingly is one word so you would not use a hyphen in it.