Answer:
Your answer should be C or D.
Because it looks like it goes up 1.50 each time
Step-by-step explanation:
Answer:
Step-by-step explanation:
Price assuming he bought all large flags: 
Amount of money more: 
Difference of price in both flags: 
Medium Flags: 
Large Flags: 
----------------------------------
The reason why this works, is because the amount of money more comes from the difference between both flags.
Answer:
yes, it's a function
Step-by-step explanation:
A function relates one input to one output, and it's "only" one output.
Answer:
72
Step-by-step explanation:
you take 85 * 9
85 = # of seats
9 = # of buses
then you get 765
next, you take 765 - 693
765 = # of seats
693 = # people who bought tickets for a trip
finally you get 72
72 = # of empty seats