Which of the following metrics demonstrates to a project manager if a project is overspending or underspending?

A critical stakeholder has requested additional status updated beyond the schedule.
Which of the following factors MOST likely needs to be accounted for when communicating with this stakeholder?

A project has a ВАС of $850,000. The project manager has identified and documented that certain key applications were not included in the scope management plan. As reported, the CPI is 0.8, and the PMO allows only a 5% additional increment to the planned budget. Which of the following should the project manager do NEXT?

A project manager needs to track the actual and estimated start and finish dates of all WBS work packages.
Which of the following is a necessary step to record the actual durations?

A project team is overseeing the installation of a new reptile habitat at the local zoo. During execution, zoo personnel decides to house a different type of reptile that will require a different temperature range than the capacity of the installed system. The modification has been approved.
Which of the following constraints are MOST likely to be affected? (Choose two.)