What’s the answer to this

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

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 value of c would make he following expression completely factored? 8x+cy