PLEASE HELP, GO TO MY LAST 2 QUESTIONS!

Solve the system of equations below.4x+y=162x + 3y = -2

The study of aesthetics deals with art criticism and art history. which aesthetic theory focuses on design elements and organizational principles? a. emotionalism b. formalism c. imitationalism

In a paragraph of no less than 125 words, explain the single most important factor involved in advancing american classical music in the twentieth century.