In mathopolis, an adult is a person 21 years of age or older and a child is a person under 21 years of age. exactly half of the adults in mathopolis are female, and exactly half of the female adults have exactly one biological child. nobody else has a child, and there are no other children. what percent of the people of mathopolis are children?

  20%

Step-by-step explanation:

If there are 4 adults, 2 are female, and 1 of those has 1 child. Then the population is 4 adults and 1 child. The children make up 1/5 = 20% of the population.

c. prove the lengths are the same.

step-by-step explanation:

you need to prove the segments are congruent. congruent segments have the same length. find the lengths of the segments using the distance formula, and compare them.

answer: c. prove the lengths are the same.