What pair of painters best defines the pure impressionist style of brilliant color and vibrant brushwork?

Who was Vitruvius and why would we care about him?

a. He wrote a Roman version of Oedipus Rex which was read during the middle ages b. He was a Roman poet who influenced Italian playwrights of the Renaissance c. He was a Roman general who established theatres across the Roman empire d. He was a Roman engineer whose De Architectura described how to build a theatre e. Answers a. and b. but not c. and d.

Georgia O'Keeffe's painting Deer's Skull with Pedernal is a prime example of:

A. symmetrical balance. B. hierarchical scale. C. informal balance. D. linear perspective. E. horizontal symmetry.