No pagination as yet. No, not usually. They are thrown in and hope to get the aid of the other copy editors. 45 hours or so per week. The company does not believe in overtime.
Extra pages are okay.
This is probably not a bad place for a young person to get a year or two of experience, but it is a dead end otherwise. The VERY BEST you can hope for is a 4 percent raise per year, and that would be based on absolutely outstanding performance.