9.87 because when converting from a percent to decimal, you always move the decimal back 2 spaces.
Answer:

Step-by-step explanation:
Problems like this require that you recognize that the denominator of the right term is a factor of the denominator of the left term. That is, you're supposed to know how to recognize and factor the difference of two squares.

Answer:
it's not even hard
Step-by-step explanation:
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Answer:
the coordinates of B is (-5,7)