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Mathematics, 14.01.2020 19:31 itzyagirlshy

What is the coefficient of the second term in the expression?
3a − 9b + 12c − 15d

a) −
b) b
c) −9
d) −9b

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What is the coefficient of the second term in the expression?
3a − 9b + 12c − 15d

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