Multiply.(8a4 - 9b4)(8a5 + 5b3)
A. 64a20 + 40a4b3 - 72a5b4 - 45b15
B. 64a20 + 40a4b3 + 72a5b4 + 45b15
C. 64a9 + 40a4b3 + 72a5b4 + 45b8
D. 64a9 + 40a4b3 - 72a5b4 - 45b7
Answer: D
Mathematics
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Evaluate the integral.
A. - 
csc 7t cot 7t - 
ln
+ 
+ C
B. - 
csc 7t cot 7t + 
ln
+ C
C. - 
csc 7t cot 7t - 
ln
+ C
D. 
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ln
+ C
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Find the exact value of the product.sin 
cos 
A. - 
B. 
C. 
D. 
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Convert to scientific notation.350,000
A. 3.5 × 10-6 B. 3.5 × 106 C. 3.5 × 10-5 D. 3.5 × 105
Mathematics