Final answer:
The sentence 'We saw you and Michelle at the mall yesterday.' is in the active voice.
Step-by-step explanation:
The sentence 'We saw you and Michelle at the mall yesterday.' is in the active voice. In active voice, the subject of the sentence performs the action. In this case, 'we' is the subject and 'saw' is the verb. It is not in the passive voice because the subject is the one doing the action rather than receiving the action.
Learn more about active voice