yes check-up should be hyphenated
"Fired up" is one of those phrases that is hyphenated when it is used as a modifier preceding whatever it is modifying, but not hyphenated when it is used as a predicate adjective. For example, if you say "Everyone was fired up about the new project", "fired up" is a predicate adjective and not hyphenated. However, if you refer to someone's "fired-up speech", "fired-up" is a modifier that precedes "speech" and is therefore hyphenated. Using "fired up" as a predicate adjective is more common.
followup This word spelled as is does not come up on Answers.com spell check. Followup is not hyphenated.
stand-up guy
does write up need a hyphen
yes
they are killer
they wake up
wake up
Education
wake and bake is when you wake up and get high
when does the mojave max wake up