Steven, the Scrum Master, is approached by one of the Development Team members saying that they are not completing regression tests for all of the work they are performing to the level defined in the Definition of Done. They have discussed this with the Product Owner and decided to remove regression testing from the Definition of Done.
Which two actions are the most appropriate for Steven to take? (Choose two.)

A new member has just joined an existing Development Team that has been together for several Sprints. During the Sprint, the individual has been trying to share his ideas and viewpoints but is continuously ignored by the rest of the Development Team.
Which three Scrum Values has the Development Team been neglecting? (Choose three.)

What should the Development Team do if they are approached by someone outside the team and asked to add a "very important" item to a Sprint that is in progress?

The Scrum Master is responsible for the process in which Scrum is adopted and enacted.

A Scrum Team has been working on a product for several iterations and has an average velocity of 55 units of 'done' work per Sprint. A second team will be added to work on the same product.
What might be the impact on the original team?