M8 pls all I need is #9

Every rhombus is a square. true false

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.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10