Please, if anyone knows help me, I need a lot of help in this activity.

El piloto de un avión observa la pista de aterrizaje del aeropuerto de chiclayo con un ángulo de depresión de 30°; avanza 600 metros y el nuevo ángulo con qie se observa la pisga de aterrizaje es de 60°. ? a qué altura se encuentra volando el avión?

For a school science project, john noted the temperature at the same time every day for one week. the high temperature for the week was 27°f, and the low temperature for the week was −3°f. what is the difference between the high and low temperatures john recorded?

In june 2003, an italian named giancarlo bellingrath set a world record when he held his breath for 12 minutes and 47 seconds. how many milliseconds over 12 minutes was he?