What were the three main purposes for which Leonardo used drawing?

What group of people inspired may of bartoks compositions?

What is the key to finding personal fulfillment in your job a. to have high salary b. to engage in lifelong learning c. to interview people in the field d. to reevaluate your career choice annually

Sorry about the calculator and me asap me asap because for real like some no one answers question one for me so that's why i'm posting them over to that way someone can at least answer number two or one for me if you do you so much if you do it would be a complete big blessing to me