Answer:

Step-by-step explanation:
To know the hours of flight, subtract the departure time from the arrival time
so

Remember that Chicago and Dallas are in the same time zone
The answer is D.
explain:
A^2 + b^2 = c^2
Answer:
4
Step-by-step explanation:
2x-6y=24
-5x+6y=-6
2x=24+6y
2x-24=6y
-5x+6y=-6
6y=5x-6
2x-24=5x-6
-24+6=5x-2x
-18=3x
-18/3=x
x=-6
2x-6y=24
2(-6)-6y=24
-12-6y=24
-6y=24+12
-6y=36
y=36/-6
y=-6