An equilateral polygon is one in which
a. all side are equal
b. all angles are equal
c. all sides are proportional
d. all angles are proportional

an equailateral polygon is one with the same for all there for the answer is a

a

Step-by-step explanation:

equi=equal

lateral=from the sides/of the sides

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation: