New PMP Question & Answers with explanation

The project sponsor emails the project manager urgently requesting the latest measurement of cumulative work performed, expressed in terms of the approved budget. The sponsor notes that they must have this information by end of day to prepare for a critical meeting the next morning. What information is the sponsor looking for?
Select one
Projects that combine elements of different life cycles to achieve a specific goal are said to use what type of project life cycle?
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The project team recently participated in a working session to determine the costs associated with individual activities. To produce a more accurate estimate, they broke each activity down further into smaller chunks. What will this activity yield?
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You’ve gathered cost estimates for the activities of your current project. Most of the activities can be completed with existing staff resources. The summary cost estimate for existing resources is $535,000. You will also need to hire contractors to perform some of the activities that require specialized skills. You’ve received a bid from a local vendor for $137,000 for these services. Which of the following statements are true?
Select two
You are working on the risk management plan for your current project and need to document how the risk activities will be recorded for the benefit of future projects. Which part of the risk management plan addresses these issues?
Select one