Multiply. Write the answer in descending order and combine like terms.(2y - 5)(4y2 + 5y - 3)
A. 8y3 + 10y2 - 31y + 15
B. 8y3 + 10y2 + 31y + 15
C. 8y3 - 10y2 + 31y + 15
D. 8y3 - 10y2 - 31y + 15
Answer: D
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Solve the problem.The average of a data set consisting of 11 numbers is 12. The largest of the numbers is Max = 13. If Min is the smallest of the numbers in the data set, which of the following could be a possible value of Min?
A. 1 B. 0 C. 11 D. 12 E. none of these
Evaluate.nP5
A. (n + 1)(n + 2)(n + 3)(n + 4)(n + 5) B. n(n - 1)(n - 2)(n - 3)(n - 4) C. (n - 1)(n - 2)(n - 3)(n - 4)(n - 5) D. n(n - 1)(n - 2)(n - 3)(n - 4)(n - 5)
Add or subtract as indicated.(6n5 - 2n4 - 9n) + (4n5 + 6n4 + 5n)
A. 10n10 B. -5n5 + 12n4 + 3n C. 10n + 4n5 - 4n4 D. 10n5 + 4n4 - 4n
Use Descartes's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation.7x3 - 7x2 + 9x + 4 = 0
A. 
B. 
C. 
D. 