What are the five project management process groups, in order?

A project was assessed and the following Earned value data have been found:
PV: $750,000 EV: $750,000 AC: $900,000
What is the Burn rate of the project?

A team lead for a project that is currently in execution with multiple delivery teams is issuing status updates. This communication was not discussed with the project manager, and the project stakeholders are concerned about nonalignment since other teams are not providing these updates.
What should the project manager do?

Based on the chart, while completing the project, a team member tells you that the team forgot something during planning. Activity F needs the results of activity E before it can begin. Taking this new dependency into account, what would be the effect on the project?

A project sponsor has requested that the project manager reprioritize the team's tasks to include a feature that is not part of the minimum viable product (MVP) for the project. Although the project sponsor is very keen on the feature, adding it has the potential of causing team burnout and/or delaying the release.
How should the project manager address this situation?