Ustedes is formal and should be used when talking to someone you’re not so familiar with, like a stranger, or someone that should be addressed with respect, like an elderly person.
Answer:
Mi hermano y mi padre <u>viven en ...</u>
Bianca y yo <u>tenemos ...</u>
su tia teresa <u>cocina ...</u>
Yo <u>tengo ...</u>
Explanation:
:D
Wash dishes, clean room,do luandry