Hail, good riddlers, can you tell me, After you give this riddle a look. When you comment for those three credits, Tell me how many guesses you took?

Baseline salutation. Standard greeting, If you didn't know. If you're still stuck, Call Lionel Richie. It's how he answers the phone.

What has teeth but no mouth, can have pieces or cut? Sorry if this is bad it's my first riddle

In senior year of high school, there is often a day tied to this. Do this to someone on a date, and I truly hope you feel regret. At a restaurant, some think this is fun, like ringing a doorbell before cameras took charge.

I can represent millions of people, or just one person trying to get a taxi ride.