Which is th equivalent to (9y^2-4x)(9y^2+4x)

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.

Which of these choices show a pair of equivalent expressions?

What is the average diastolic blood pressure for adults