What is the correct punctuation for brenda could you come here a moment?

The correct punctuation for "Brenda could you come here a moment?" is:

Brenda, could you come here a moment?

Here's why:

* Comma after Brenda: We use a comma to separate the direct address (Brenda) from the rest of the sentence.

* Question mark at the end: This is a question, so it needs a question mark.