During the deployment of an enterprise resource management system, the financial director resigned and is replaced by a new one. What should the project manager do?

After Define Activities and Sequence Activities, the next process is:

The following is a network diagram for a project.

What is the critical path for the project?

A project is delayed. The project manager added extra resources to some activities and approved overtime for several team members.
What technique is the project manager applying?

Assume that you were the first person in your company to be PMP certified and also that you earned a doctorate in project management. People throughout the organization admired your achievements. Based on your success in managing projects, your company now has adopted a management-by-projects philosophy.
You have been appointed head of your company's project management office to lead the organization as it transitions to this new way of working. So far, people seem to willingly comply with your demands and requests. In this situation, you are using which type of power?