Mono means one..but monomial can also a negative. Mono meaning one means there is a single variable.
36% is the answer to the question
Sam painted 3
ellie painted 2x3, so she painted 6
6+3=9
together they painted 9 pictures
A) (-4,2π/3)
b) (4,4π/3)
c) (-2,π/3)
d) (2,5π/3)