Factor the expression completely.21t4 - 91t3 - 70t2

A. 7t2(3t + 2)(t - 5)
B. (21t3 + 14t)(t - 5)
C. 7t2(3t - 2)(t + 5)
D. t2(3t + 2)(7t - 35)

Answer: A

Mathematics

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A. log2-2 = .10
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Determine the remainder for the following divisions using the Remainder Theorem. If the divisor is a factor of the dividend, so state.(6x4 + 4x3 + 4x2 - 5x + 20) ÷ (x + 3)

A. -73 B. 449 C. 523 D. 0, factor

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A. -  - 6x
B.  + 6x
C.  + 6x
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Is the statement correct?The set of primes together with the set of composites is the set of natural numbers. 

A. yes B. no

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