Find the slope of the line through each pair of points : a) ( 8,7) (5 ,-3) b ( -5 ,9) (5, 11) c ( -8 ,4 ) ( -4, -9 ) remember slope = y^2-y^1 / x^2 -x^1

THE ANSWER IS THE FIRST ONE

Step-by-step explanation:

TRUST ME JUST TOOK a unit test, and caps srry best of luck

Among the choices the one that  best describes her prediction is "extrapolation, because a key that is 12 keys from middle C is outside the data set". 

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