A vendor project manager and team are implementing a software solution across the organization. A customer stakeholder who was not present during the sales process is demanding that the team implement requirements that are out of scope without adding additional cost to the project.
What should the project manager do next?

A critical deliverable for the current iteration is giving the team difficulties. Functionality and quality issues are constantly emerging and delaying iteration progress.
The project manager listens to the team's concerns and discovered that the work is not being well coordinated among the team members.
Which two actions should the project manager take to handle this situation? (Choose two.)

A project manager is responsible for building a bridge. The high-level elements of the project are handled using a predictive approach. The software responsible for retracting the bridge has been developed based on agile principles. During software development, the workflow is often interrupted by various delays or impediments due to lack of information.
How should the project manager handle this situation?

A project manager is assigned to a project to develop a mobile app. The sponsor explains that the application should do better than their closest competitor's app. The sponsor's expectation is that the team can be put together and start work immediately.
What should the project manager do?

A project manager is managing an innovation project for a big corporation. The project manager is planning to use email as the main communication channel; however, the product owner prefers to use another approved communication tool instead of email.
What should the project manager do?