The team is in the middle of an iteration and there is an urgent request for a small change to be introduced to the committed scope. Unless this change is accepted, there is no value to the customers during this iteration.
What must the agile practitioner do?

Which artifact is useful for seeing total project risk increasing or decreasing over time?

Which is the best option to improve project velocity?

In eXtreme Programming (XP), analysis, design, coding, and testing phases are done:

An agile project leader is delivering a team kick-off session. The first exercise is a "Life Timeline" - a story-telling exercise where each team member tells their life story, explains how they experienced the highs and lows of their journey, and identifies their fears and hopes.
What is the project leader trying to create?