Please answer this question 20 POINTS !

Which of the following can be used to explain a statement in a geometric proof?

Barrett is comparing the membership fees for two museums. the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?

Nicholas says that two pairs of congruent angles can be used to show that the two triangles are similar