i need the answers for these 10 questions

the answers typed please

the book we use is

Traffic & Highway Engineering, Nicholas J. Gerber and Lester A. Hoel 5th Edition, E.I., 2015.

I don’t have the book

also there is a slides for the questions that can help for the answers

the required chapters are 3-5-6-14 and 15

i have some slides of the required chapters which are 14-3 and 6