What is the formal way of greeting in English?

Which of the following are polite word functions and phrases?

2 of the statements are using correct English, one contains slang. Identify the statement that is using slang (informal English).

This festival was amazing, the band was so good!

I had a great time tonight, you were awesome!

How dope was that party? The band was sick!

If you wanted to go and see remnants of human history, art, and artefacts where would you go?

A verb is a word that normally conveys an action such as doing something, please identify the verbs.