Yes, use the hyphen to link words that would not flow if read separately.
Test by first leaving the sentence incomplete:
He used a sharply........??? Then try: He used an angled knife. The latter makes sense so in adding to it, there has to be a 'link' - the hyphen.
No, a hyphen is not needed.
without a hyphen idiot
No. Fully, when used as an adverb, is not followed by a hyphen. :)
There should be a hyphen in twenty-three.
I believe anything-American is hyphenated and the hyphen takes the place of ' and. '
You do not use a hyphen when writing square feet. Using a hyphen would make it one word which should not be the case.
no a hyphen doesnt touch rain a hyphen never touches rain at any cicumstances
No, there shouldn't be.
Nah.
A hyphen is not required.
Yes, "year-end" should have a hyphen when used as an adjective, such as in "year-end report." However, when used as a noun, it can be written as "year end" without a hyphen. The hyphen helps clarify that the two words function together as a single descriptive term.
Reload has neither a hyphen or a dash as for as I know. It is one intact word. If one were to believer it should be written re-load that would be a hyphen