Math/Physic/Economic/Statistic Problems

please use the files where the write up Questions is in word document file(GuideB), lecture notes in powerpoint, the excel sheet is already done so there Is no modeling involved except interpreting and explaining the questions (excel, word files) graphs are necessary, less use of equations interpretations.
scratch as per the guideline in the document word file, and in excel sheet. 16 pages without DATA tables to fill the pages, only where equations are needed along with graphs when necessary..