Three students incorrectly evaluated 4r +2y for x = 3 and y=-2. Use the table below to complete Exercises 6-9.
Grayson
Emily
Pat
4x +2y = 4(3)° -2-2) 4x +2y=4(3)° -21-2) 4x +2y = 4(3)2 2(2)
+36 +21-2)
= 364
= 140
= 381-2)
= 40
=-76
6. What error did Grayson make?
7. What error did Emily make?
8. What error did Pat make?

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In the diagram below, ab and bc are tangent to o. what is the measure of

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