Answer:
The graph below.
I know it might not be correct but I hope it helps somewhat!
Find the number of cookies:

Since 1 dozen = 12:

Change to improper fraction:

Simplify:

18 cookies were sold in 1/3 hour:



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Answer: Unit rate for cookies sold = 54/hour------------------------------------------------------------------
If your asking what 9B coefficient is it's B
Answer:
Option A is correct answer
hear is explaination