Factor the sum or difference of cubes.216y3 - 216
A. 6(6y + 1)(6y2 - y - 1)
B. 216(y - 1)(y2 + y + 1)
C. (216(y - 1)(y2 + y + 1)
D. (6y + 1)(y2 - y - 1)
Answer: B
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Write the phrase as a variable expression. Use x to represent "a number."The difference of a number and 28
A. 28 - x B. 28x C. x - 28 D. 28
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = -4x4 - 5x3 - 9x2 - 3x + 8
A. 1 positive; 2 negative B. 0 or 2 positive; 0 or 2 negative C. 1 positive; 1 negative D. 1 positive; 1 or 3 negative
Evaluate.Let log b A = 2.014 and log b B = 0.183. Find log b AB.
A. 11.005 B. 0.369 C. 1.831 D. 2.197
Solve the problem.In 1993-1994, a total of 1059 doctoral degrees were awarded in the mathematical sciences. Out of the 
who received such degrees, 345 were United States citizens. The number of women recipients who were not United States citizens was 104. How many women among the United States citizens received doctoral degrees?
Fill in the blank(s) with the appropriate word(s).