The first one is the only one that even sorta makes sense
2x270=540 there for this is right !
Translation / Moves Up, Down, Left or Right
Dilation / Grows or Shrinks by a scale factor
Reflection / Flips across a given line
Rotation Spins about a given point
275x5=1375
This means that the helicopter has dropped 1375ft closer to the ground, then when it was at x altitude