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
Answer: Yes.
Step-by-step explanation:
First ratio
5 : 15
Simplify (divide both sides by 5)
1 : 3
Second Ratio
3 : 9
Simplify (divide both sides by 3)
1 : 3
Answer:
3/8
Step-by-step explanation:
Rearrange, find common denominator.

Answer:
Its B
Step-by-step explanation: