Please help me to answer the Following 3 questions

Not yet answered Marked out of 1.00 6 A project manager makes all decisions on the project team based on the project team support. This is an example of which of the following management styles? Select one o a. Exceptional O b. Autocratic o c. Democratic d. Laissez faire 7 ed out of 1.00 Changing project's cost is harder in which of following phases Select one a. Closing b. Initiating c. Controlling d. Organizing Not yet answered arked out of 1.00 8 A comprehensive plan developed by manager in :planning phase must be approved by Select one O a. Supplier o b. Customer o c. Teamwork o d. Financial manager