Who has the final decision about the order of items in the Product Backlog? (Choose the best answer.)

Which of the following best describes an increment of working software?

When many Scrum Teams are working on the same product, should all of their increments be integrated every Sprint?

A Scrum Master is keeping a list of open impediments, but it is growing and he/she has been able to resolve only a small portion of the impediments. Which three techniques would be most helpful in this situation?
(Choose three.)

Which Scrum Values are exhibited by not building Product Backlog items that have low business value?
(Choose three.)