Answer with Step-by-step explanation:
We are given that
RHS

We have to verify the identity.
We know that


Using the formula



By using the formula

LHS=RHS
Hence, verified
If the teacher isn't putting the names back in the hat then it would be 1/21 if she is then 1/23
Answer:
C
Step-by-step explanation:
There is a positive correlation, as hours spent gets bigger the test score gets bigger with some outliers
% increase = Increase ÷ Original Number × 100.<span>
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