Preflop raising in limit O/8

[sy_or_bust]

I'm somewhat new to this game, so forgive me if this is basic or redundant. I'm not familiar with the math behind drawing hands in this game. How many players must you expect in the pot before you can profitably raise the following hands, if you raise them at all:

(if you don't know for sure, I'd be interested in how you play them)

1.A2xx-suited ace
2.A2xx-unsuited
3.A3xx-suited ace
4.A3(KQ/JT)-unsuited
5.KQJT-doublesuited
6.KQJT-single/unsuited
7.5432-single/unsuited
8.AAxx-doublesuited aces
9.AAxx-suited ace
10.A45x-suited ace
12.A45x-unsuited