Help me i jus wanna play sum 2k so yuh hurry

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

Ineed with number 6 , explain how to get 1978

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.