How far is it by air from london to sydney

Ineed someone to me answer my question i have to have this done and knocked out

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x, y) t-2, 00 ro, 900(x, y)

Which one is the correct answer, and why?