College Linear Algebra Content Writing -- 2

I have a set of college-level Linear Algebra and Matrix problems that must be fully solved and then turned into clear, publish-ready instructional content. Every step needs to be shown so the reasoning is obvious to readers who already have the basics and want deeper understanding... (Budget: $30 - $250 USD, Jobs: Academic Writing, Content Writing, Instructional Design, LaTeX, Mathematics, Matlab and Mathematica, Research Writing)