New PMP Question & Answers with explanation

This methodology uses an iterative-based Agile approach. It is a single-team framework that is primarily used to manage product development. At the end of each iteration, the team facilitates a meeting to review what went well and ideas for improvement. Which methodology does this describe, and what technique is this question referring to?
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A project manager is in the process of holding a kickoff meeting to signal that execution of the project work is about to begin. She reviews the project baseline, communication cadence, and guidelines with the team, and she treats them to a pizza party to increase morale. Which of the following documents serves as the project baseline?
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What model can a project manager use to classify stakeholders based on their power, urgency, and legitimacy?
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What challenges can cross-cultural communication present to team members?
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In what order do servant leaders approach their work?
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