The term "fine-tune" typically requires a hyphen when used as a verb, as in "to fine-tune a system." As a noun or adjective, it can be written as "fine tuning" or "fine-tuned" without a hyphen. Overall, the hyphen is important for clarity in specific contexts.
It does not need to have a hyphen! :)
No, the word "nineteen" does not need a hyphen when written numerically.
No
I do not believe that multitasking is supposed to have a hyphen.
It's not a word in the dictionary, so yes, use the hyphen.
You typically need only capitalize after sentence-ending punctuation, which a hyphen is not.
no
No.
no
No
Yes, in-home does need a hyphen. It's two words put together to form a word for a different concept.
heart-felt