D is the only one that makes any since
So the chance of getting 1 blue marble is 30% or 3/10, the chance of getting another in a row is also 3/10 since its asking for both youd do 3/10*3/10 = 9/100
Answer:
The unit rate of $10 per hour.
Step-by-step explanation:
Given



See attachment for graph
Required
What does the given point represents
From the attachment, the origin of the graph is:

and we have the given point to be:
Calculate the slope (m)




The slope represents $10/1 hour
Hence:
means the unit rate is $10 per hour
Answer:
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