Help me please and thanks​

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.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

This is so hard and it’s for a test