It depends where you are in the USA, but some common greetings are:
this is how, hi!
Americans
to say hi
hola is how to say hi in cuba
Say Hi was created in 2002.
this is how you say hi in Spanish hola
You can say "hi" but you can not jump "hi".
Hi
hi
HI
to say hi to someone
In the Bahamas, you can say "hello" or "good day" as a common greeting. Additionally, using the local slang "What's up, buddy?" or "Hey, mon" is also widely understood and appreciated.