Question

Greetings

You wish to ask a new teacher how he or she is and you want to be
polite. You say:
?

Answer 1

"Bonjour! Comment-allez vous?"

Step-by-step explanation:

You would say bonjour, not salut or another informal greeting since it is a new teacher, and then you would use vous not tu because, again, you would want to be formal. I hope this helps! :D

Answer 2

you would say, "Salu, enchante! common ca va?"

this translates to: greetings, nice to meet you. how are you?