x=3, y=-1, 2=-2, 13x+25y-16x+4z+22y-3z
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Explanation: The exterior angles of any regular polygon must add up to 360o . Since the angle measure given iin the questions s 40o , take 360o40o = 9. Meaning there are 9 exterior angles and therefore 9 sides to the polygon.
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Answer:
13(3) + 25(-1) - 16(3) + 4(-2) + 22(-1) - 3(-2)
39 + (-25) - 48 + (-8) + (-22) - (-6)
39 - 25 - 48 - 8 - 22 + 6
= -58
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