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.
No. Fully, when used as an adverb, is not followed by a hyphen. :)
without a hyphen idiot
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.
Nah.
No, there shouldn't be.
A hyphen is not required.
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
Yes, whenver using square-foot you should use a hyphen
No there shouldn't be a hyphen. Fingernails and toenails are full words.