What does the "a" in an exponential equation represent?

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

How do you use the elimination method for this question? explain, because i really want to understand!

Which of the following are accepted without proof in a logical system? check all that apply.