I don't know that much about D&D anymore, but the version you're playing might be pertinent to answering the question. No rulebooks?
Ditto.
On the bright side, your HP should be simple to figure out - take your dX (d6 for a bard?) and roll, and add in any constitution bonus.
Similarly, gold is easy to figure out, too - it's usually dX * (weighting), and is determined by character class.
Attack bonus will come as a result of proficiencies, dex/strength bonuses, character race, etc.
I've not played a bard before, but I *think* they're rather rogue-like in combat. If it's available to you, you'll likely want to take "prolong song" or whatever it's called. *shrug*
Okay, this "edit" (added the above) is getting too long - the short of it (the original post) is this: like Trevor said, get the rulebook (library, online, etc.) or DMG (Dungeon Master's Guide) or class-specific book. The latter used to be in paperback form and had a leather look to them.
I know that the AD&D books were full of everything you could possibly want to know, at least with the AD&D2 ruleset. 3 is out now, and I'm sure there are books out - although Gygax is now dead, his legacy will go on.
