This document provides an agenda for Class 9 of the LLP@Tecnico course. It includes a Q&A about business resources and costs, team presentations on resources and costs, a summary of lessons learned, and work assigned for the next class. Key resources discussed are finance, physical, human, and intellectual resources. Cost structure and the most important costs are also addressed. The document outlines guidelines for an effective business communication presentation, including telling a story with a three-act structure and engaging the audience. It concludes by noting the final presentation assignment and preparation work for the next class.