Factor. Assume that variables used as exponents represent positive integers.7x2n + 9xn - 10
A. (xn - 2)(7xn + 5)
B. (xn - 5)(7xn + 2)
C. (xn + 2)(7xn - 5)
D. prime polynomial
Answer: C
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Indicate whether the given series converges or diverges. If it converges, find its sum.
A. Converges; 
B. Converges; 3
C. Converges; 
D. Diverges
Find the indicated probability.The managers of a corporation were surveyed to determine the background that leads to a successful manager. Each manager was rated as being either a good, fair, or poor manager by his/her boss. The manager's educational background was also noted. The data appear below: Educational Background
If a manager is selected at random, what is the probability that he or she is either a good manager or has an advanced degree? Give your answer as a fraction.
A. 
B. 
C. 
D. 
Find the volume of the solid generated by revolving the shaded region about the given axis.About the x-axis
A. 
?
B. 
?
C. 
?
D. 
?
Simplify. Leave answer in exponential form with positive exponents only. Assume that all variables represent nonzero quantities.
A. 51
B. 59
C. 5-5
D. 