Answer:
the first fraction is 9 and the second one is -5
Step-by-step explanation:
<h3>
Answer: 0.557</h3>
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Work Shown:

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Side note:
A similar formula is 
We can isolate the last term to get the first equation shown above.
Answer:
it's d
Step-by-step explanation:
the range in math is the greatest numerical value in a set of data minus the least numerical value.