New PMP Question & Answers with explanation

Tom is a project manager working for a reputable editorial agency specializing in exam preparation. He and his team use Agile approaches to manage projects. Because of the company’s growth, three new project managers have been hired, and Tom has stepped up to mentor the new hires. One of the new project managers is struggling with her project and has asked Tom for help. She notes that her team is not working effectively together, frequently missing team meetings and having difficulty in reaching agreements. What can Tom suggest to turn the team around?
Select one
The company’s quality research team has been assigned to review the project materials. This team is not part of the group that developed the material. This is an example of what type of review?
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A project with a CPI of 1.12 and an SPI of 0.90 is performing:
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The project charter has just been approved. What comes next?
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Which of the following are examples of project life cycles?
Select two