Couple of questions for a first timer flying in.

i am ADSB equipped (In/Out). Notam says if your not equipped then turn it off. Am I correct in taking that if you are to leave it on?

What do most Bonanzas fly? The 90 kt 1800 feet or the 135 kt 2300 foot arrival?
Coming as a single ship.

Who would I contact for official answers?

Thanks