What does the term “bit” refer to with regard to digital image concepts?

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

The art of the monogamy period was characterized by style

Artists best achieve contrast in a composition by: a. drawing with realism b. shading a drawing with dark and light values c. using drawing techniques like stippling and hatching d. focusing on line and shape in a drawing