If figure x is inscribed in figure y, which statement must be true?
a. figure y is circumscribed about figure x.
b. figures x and y are congruent.
c. figures x and y are polygons.
d. figure x is circumscribed about figure y.

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )