Use reduction formulas to evaluate the integral.
A. 
cos5 x - 
cos7 x + C
B. 
sin5 x - 
cos9 x + C
C. 
(sin7 x - sin9 x) + C
D. 
sin7 x - 
sin9 x + C
Answer: D
Mathematics
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Factor the expression completely.867x2 - 432
A. (17x - 12)(51x + 12) B. (51x - 12)(17x + 12) C. 3(17x - 12)(17x + 12) D. (17x - 12)(17x + 12)
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Consider these figures:
Which figure above, if any, is topologically equivalent to the given figure? Identify the topologically equivalent figure by letter.An apple
A. A B. B C. C D. None of these
Mathematics
Perform the operations indicated. Write your answer in simplest form.- 
- 
A. 
B. - 
C. - 
D. - 
Mathematics
Find the probability.When a single card is drawn from an ordinary 52-card deck, find the probability of getting a black 7.
A. 
B. 
C. 
D. 
Mathematics