No, there is no hyphen between "shut" and "up." The correct form is "shut up," which is a phrasal verb used to tell someone to be quiet. Hyphens are typically not used in standard phrases unless they are part of a compound adjective before a noun.
If you mean the word for 19, then there is no hyphen and it is nineteen, not nine-teen.
No, a hyphen is not needed.
No, a hyphen is not needed.
no
The correct spelling of hyphen is nephyh
I do not believe that multitasking is supposed to have a hyphen.
a hyphen connects two words, a dash gives a pause between two words....
Yes. In-between requires a hyphen.
A hyphen (-) is used to indicate the division between a word's syllables.
No it shouldn't be hyphenated.
No, I think it's just "Start up". It may be used with a hyphen but not usually.
No, faux pas doesn't require a hyphen.