The term "community-wide" does require a hyphen when used as a compound adjective before a noun. For example, you would say "a community-wide event." However, if it follows the noun, you would write it without the hyphen, as in "the event was community wide."
Use a hyphen when the parts of the compounds are not commonly used together. Common compounds: worldwide, clockwise Unusual compounds: community-wide, nutrition-wise
No it doesn't require a hyphen.
No, "agency wide" does not need a hyphen when used as an adverbial phrase. It should be written as "agency wide" when describing something that applies across an entire agency. However, if used as a compound adjective before a noun, it is typically hyphenated as "agency-wide." For example, you would say "an agency-wide policy."
Yes, you should use a hyphen in "district-wide" when it functions as a compound adjective before a noun, such as in "district-wide policies." However, if it comes after the noun, you typically do not use a hyphen, as in "the policies are district wide."
It does not need to have a hyphen! :)
No, the word "nineteen" does not need a hyphen when written numerically.
No
Yes, "community-driven" should be hyphenated when used as a compound adjective before a noun, such as in "community-driven initiatives." The hyphen helps clarify that "community" modifies "driven" to describe the type of initiative. However, if it follows the noun, as in "The initiatives are community driven," it does not require a hyphen.
It's not a word in the dictionary, so yes, use the hyphen.
I do not believe that multitasking is supposed to have a hyphen.
You typically need only capitalize after sentence-ending punctuation, which a hyphen is not.
no