Factor by grouping.20x6 - 25x3 - 16x3 + 20
A. (20x3 + 4)(x3 + 5)
B. (5x3 - 4)(4x3 - 5)
C. (5x3 + 4)(4x3 + 5)
D. (5x6 - 4)(4x - 5)
Answer: B
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Find the probability.What is the probability that 11 rolls of a fair die will show three sixes?
A. 0.1777 B. 0.3554 C. 0.0889 D. 0.0355
Find all the roots of the function. Use preliminary analysis and graphing to determine good initial approximations. Round to six decimal places.f(x) = x5 - 
+ 1
A. x ? -0.942487 B. x ? -0.832487 C. x ? -1.052487 D. x ? -0.722487
Combine the complex numbers.(3 + 7i) - (-5 + i)
A. 8 + 6i B. 8 - 6i C. -8 - 6i D. -2 + 8i
Use the graph of the relation to identify the domain and range.y = x3 - 2
A. domain: (-?, ?) range: (-?, ?) B. domain: (-?, ?) range: (2, ?) C. domain: (-2, ?) range: (-?, ?) D. domain: (2, ?) range: (-?, ?)