A pilot flies an aeroplane between two places which are 500 km apart with the flight taking 40 minutes. A flight from one place and then back again to the starting place is called a round trip. A.) What is the average speed of the aircraft?
B.) What distance will the pilot fly in 7 round trips?
C.) If the pilot boards 20 minutes before the take off and disembarks 15 minutes after landing at each airport what is the total amount of time he will spend in the aircraft on one round
trip?

11

step-by-step explanation:

32.50-7.50=25

225/25=11

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)

i will with my problems and all the other things that need to   be on by the way

step-by-step explanation:

since no one answered yet i will give it a shot, not completely sure tho.

i think it should be y=cos(x+2pi), (third answer, answer c)

good luck.