What is the solution to the equation 2x+4-12=20 x=0 x=1 x=2 x=9

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a. m. if he arrives at the gate at 11: 45 p. m., can he board the flight?

Hi my sisters and brothers can tell me the answer because i don’t understand the question

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.