Supplementary angles add up to 180 degrees
ratio of 1:4.....added = 5
1/5(180) = 180/5 = 36 <=== smaller angle
4/5(180) = 720/5 = 144 .... larger angle
(-2)^4=16
(-2)^-1=-1/2
-1/2x16=-8
Answer: -8
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the answer the B
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