Perform the indicated operations. Write the resulting polynomial in standard form.(x - 7)(x2 + 7x + 49)
A. x3 - 7x - 343
B. x2 - 343
C. x2 + 49x - 343
D. x3 - 343
Answer: D
Mathematics
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Multiply or divide as indicated.(-5) × (-7) × (-4)
A. 140 B. -150 C. -140 D. -40
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Write the Roman numeral as a Hindu-Arabic numeral.
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A. 7405 B. 7505 C. 7605 D. 7606
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Simplify the rational expressions.
A. 1
B. 3
C. 
D. 
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Simplify the expression. Assume all variables represent positive real numbers.
A. 10k7q8
B. 10q4
C. 10k3q4
D. 10k3q4
Mathematics