+23-78=150 I need the answer ASAP and show all working ‍‍

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

Name this sculpture the time period it was created during, and its purpose

Was prevalent in art in northwestern europe during the middle ages? a. geometric motifs b. abstraction c. pointillism d. animal style