Its dealing with polymer science i need to learn chapter 2 and 3 of the "Fried" book chapter 3 is dealing with practical aspects of molecular weight...

Its dealing with polymer sciencei need to learn chapter 2 and 3 of the "Fried" bookchapter 3 is dealing with practical aspects of molecular weight measurements and light scattering...continues on with zimm plots...i need to be able to do the problems and know which equations to use for a test tomorrow. can you please help me try to understand how to do this problems efficiently? Thanks!