Answer:
5.7
Step-by-step explanation:
My three examples would be, 15/3, 15 then the divided by sign 3. 15 over 3 too. Hope this helps!!!
This is a really hard question. I can’t help you
Answer:

Step-by-step explanation:
Given


Required
Evaluate Blue when z = 9
To do this, we simply substitute 9 for z in 

Convert indices to fraction


<em>Hence, the blue section has an area of </em>
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