Question: how are you different ways to say?
Answer:  What's up? Yes, thanks. I'm up. Not much.  How's it going? I'm going. It went. Not bad.  What's going on? Yes, it's on. I'm on. ...   How have you been? I've been, thanks. Usually. ...   What have you been up to? The top. The usual. ...   Are you well? I'm very well, thanks. I'm a well, thanks. ...   How are you keeping?