Paul Gauguin painted in a(n) __________ style

In Nude Descending a Staircase, Marcel Duchamp used a sequence of fragmented planes to describe the ____________ of a figure descending a staircase

Anyone know the answer?

In a Gothic church, which of the following was traditionally built against an exterior wall to provide support and brace it against strong winds?

a. rib vault b. flying buttress c. stained-glass windows d. narthex