Translate the word "Usted" into English

Would I use "Tú" or "Usted" when talking to my best friend?

Would I use "Tú" or "Usted" when talking to my science teacher?

Would I use "Tú" or "Usted" when talking to a classmate (who isn't a friend)?

Would I use "Tú" or "Usted" when talking to the boss at work?

Would I use "Tú" or "Usted" when talking to my friend's parents?

Would I use "Tú" or "Usted" when talking to middle schoolers?

Would I use "Tú" or "Usted" when talking to an elder person?

Would I use "Tú" or "Usted" when talking to a cousin (same age)?

Would I use "Tú" or "Usted" when talking to a stranger?

Would I use "Tú" or "Usted" when talking to the principal?

How would you ask " What is your name?" to a child?

How would you ask "Where do you live?" to your teacher?

How would you ask" How are you?" to the principal?

How would you ask " How old are you?" to your young cousin?

Look at the drawing and decide if you use "Tú" or "Usted"

Look at the drawing and decide if you use "Tú" or "Usted"

Look at the drawing and decide if you use "Tú" or "Usted"

Look at the drawing and decide if you use "Tú" or "Usted"