Greetings

"Formal" in French means you dress up very elegantly and use correct grammar.

You use "salut" in...

You use "ça va" in...

You use "Comment vous appelez-vous?" in...

You use "Comment t'appelles-tu?" in...

You use "Bonjour" in...

You use "salut" in...

"Merci" is used to express...

"Goodbye" is...

"See you tomorrow" is...

"See you soon" is...

"Comment t'appelles-tu?" asks...

"Bonjour" means...

"Salut" is saying hello by saluting someone.

One option to complete the sentence "Ca va...."

"pas mal" means VERY BAD

"ça va" can be a question or an answer.

One possible completion for "Je m'appelle..." is...

"Enchanté" means...