re-Write discussion chapter 11,12,13 for one post and one reply for each chapter.

Write discussion chapter 11,12,13 for one post and one reply for each chapter.

my name is Carl Zhu, and My professor name is Russell Sanders. Please rewrite based on his comment. and remember write one reply for each chapter.

Although I marked 2 pages, you don’t need to write three pages. According to the professor’s comments, some students can get full marks after only writing a paragraph.