Estimate the answer by rounding as indicated.Estimate by rounding to the nearest ten.
A. 222
B. 230
C. 200
D. 220
Answer: B
Mathematics
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Factor by grouping.x3 + 8x2 - 10x - 80
A. (x + 8)(x3 - 10x) B. (x - 8)(x2 - 10) C. (x + 8)(x2 - 10) D. (x2 + 8)(x - 10)
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Simplify the complex fraction.
A. 
B. 
C. k - 6
D. 
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Multiply the polynomials. Express the answer as a single polynomial in standard form.(13y + x)(13y - x)
A. 169y2 - x2 B. 169y2 + 26xy - x2 C. 169y2 - 26xy - x2 D. 26y2 - x2
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SD( X )
The random variable X has the probability density function
Compute the quantity
Mathematics