triple constraint elements of, Time/Schedule, Budge/Cost, and Scope

As we know, there is a direct relationship between the triple constraint elements of, Time/Schedule, Budge/Cost, and Scope. Is this week’s discussion board, please provide your personal assessment of this relationship and the influence to a project’s quality and outcome. Please be sure to address the following:

-Scope creep – cause and prevention
-How would you as a project manager, monitor, and control for scope creep?
-Provide examples of tools and techniques that a project manager my apply.