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:
if it is multiple choice:
x=2
x=3
Step-by-step explanation:
Answer with Step-by-step explanation:
Independent:Tickets,Shopping list,weight,Hiking,Mushrooms in the bridge,Number of trophies
Dependent:Money,Shopping bas,price of customer's order,snacks,mushroom tarts, shelves on the case
Y=2x
y is the amount of money made from the sold books
x is the number of books that are sold (it is x because you don't know how many will be sold, so you have to account for all possibilities)
2x is because every book is sold for 2 dollars, so that mean x is multiplied by 2 to get y