Who is the Key Person in the kick-off meeting?

The testing backlog for a hybrid project has increased significantly and is becoming a bottleneck. The team has researched a tool that could resolve the bottleneck, and the project manager has been informed.
What should the project manager do next?

When cost variance is negative and schedule variance is positive, the project is:

Which knowledge area involves organizational theory as a tool/technique?

A project manager has been asked for performance feedback regarding one of the team members The project manager would like to gather additional input from the project team because there are no metrics in place for evaluating employee performance.
What should the project manager do next?