1. Pick 3 Mathematical Solutions/Equations/Methods that may or may not be included in the topics we discussed but can be used to analyze a problem or application about Control and Feedback System. 2. Present an application of that Mathematical Solutions/Equations/Method by presenting a published paper in IEEE or Scopus where that method is used. One Mathematical Solution/Equation/Method : One published paper 3. Discuss the paper thoroughly highlighting the application of the Mathematical Solution/Equation/Method in the Control System/Block Diagram/Conceptual Framework of the study to meet its objective/s. Explain the process and how the equation was used.