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asked
Oct 26, 2018
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Mathematics
high-school
AdamGold
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2
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6
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The first one.............
Urgentx
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Oct 28, 2018
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5
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the answer should be D
p(x)=r(x)-c(x)
p(x)=18x-(8x+30)
p(x)=10x-30
Jan Bannister
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Oct 30, 2018
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