Estimated arrival time
It is two terms of an algebraic expression but if you mean -3 times -9 then it is 27
Did you really mean "airplane" - or did you mean airline . -If airline it is Qantas.
A small airplane on a map key represents an airport hence the airplane.
no it means to arrive
a helicopter Additional answer That depends on what you mean by airplane. Some people might argue that a helicopter IS an airplane
Do you mean do usb devices work on an airplane? If so then yes.
it means that the airplane is staying in motion but will soon crash;)