useless trivia: What Word Means: Fleyed?

Questions

in 1985, near age of 90, george burns said, "people think that all i do is stand up & tell a few jokes. the jokes are easy. it's ..." what "... that's hard"?

in a movie titled "miss annie rooney" what does the rko as in rko pictures stand for?

in brian de palma's 1984 movie, "scarface," how many times is the "f word" said?

in ian fleming's james bond series, what does the 00 in 007 stand for?

in october of 1962, johnny carson succeeds him on the tonight show?