Some Useful Expressions!

Hi guys, What´s up? Here some useful expressions for different situations.

General Greetings:

Hi!/Hello!/Hey there!/Yo!(slang)

How are you?/How´s it going?/How´s it been?/How is everything?

How have you been?/What´s new?/What´s happening?/What´s going on?

Good morning!/Morning!(informal)/Good afternoon!/Afternoon!(informal)

Good evening!/Evening!(informal)
Select the expressions according to the situation, formal or informal.