Multiply.(4x - 7)(x + 8)
A. x2 + 25x + 24
B. x2 - 56x + 25
C. 4x2 + 25x - 56
D. 4x2 + 24x - 56
Answer: C
Mathematics
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Translate the problem to a system of equations, then solve using Cramer's Rule.Jerry has 3 pieces of string. The total length is 82 inches. The sum of the two longer pieces is 70. The middle piece is twice as long as the shortest piece. What are the lengths of the 3 pieces?
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f(x)
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Mathematics