What is the lowest level in the Work Breakdown Structure called?

The process of obtaining seller responses, selecting a seller, and awarding a contract is called:

Your team is split between two buildings on either side of town. As a result, the team isn't very cohesive because the members don't know each other very well. The team is still in the storming stage because of the separation issues. Which of the following should you consider?

Your project is due for a financial review and you have gathered some data. Your EV is $690, your AC is
$720 and your BAC is $900. What is your EAC?

Float is the amount of time an activity can be delayed without delaying the project finish date. It can also be called all the following except: