(4√3 − 2√5)(3√10 + 5√6) simplify show all work

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.

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°