If you were to elaborate a bit more on what the media was, and what you intend to do with the edit, we can be more specific on guiding you to obtain that goal.
Or, if it was just a simple question about FCP, simsaladimbamba answered that question for you like a boss.
I have been playing with final cut pro. I can figure out how to edit multiple videos sources, but how do you do a split screen output? I think i got it.