As a Scrum Product Owner, what should be your most important activity? (choose the best answer)

What is the role of the Product Owner in crafting the Sprint Goal? (choose the best answer).

Shelly, a Product Owner, does not have enough time to do all the works she needs and she is now overloaded.
Which approach could help Shelly solve the current issue? (choose the best answer)

Zara company's best selling app has started to have its user base erode by new competing apps that have newer and more popular features. An important stakeholder believes that Zara's app user base can be restored by adding several customer requests to the product backlog that would be prioritized over other planned product initiatives. This set of requested features would take over a year to implement and release and delay other items in the backlog.
What should Zara do? (choose the best answer)

Which preferred Product Owner stance helps people to align around the product vision and get people excited to join the case? (choose the best answer)