Yes. "Yes, ma'am" is polite - unless spoken with a sarcastic or a snotty tone of voice.
Yes, it's the diminutive of madam and considered polite but is a term of respect for a woman much older than you and not appropriate for someone the same age.
The pronunciation is with a single short A sound (mam), to rhyme with gram and ham.The word ma'am is a contraction of "madam" (polite term of address for a woman, from the French madame).
It depends on the person, do your best. Say thank you, your welcome, etc. Say yes mam or sir... Be polite and sit up straight, listen to them and agree.
The terms "mam" and "sir" are common forms of respectful address in some regions, used as a polite way to address someone older or of higher social status. They likely originated from English-speaking cultures as polite titles denoting respect and deference towards others.
The internet term for WTF is not polite.
If by mam, you mean mom, then yes. That would be incest.
Yes mam' I do
Yes it is.
In general it can. Ma'am and Mam in this case are contractions of the honorific word madam
You have it right, It is Yes Sir, but 'mam' is Ma'am.
The correct spelling is most definitely Ma'am. 😉
No, it is an adverb. The adjective is just polite.