Evaluate using the change-of-base formula. Round to four decimal places.log8.5 137
A. 2.1367
B. 0.4350
C. 16.1176
D. 2.2990
Answer: D
Mathematics
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Factor completely.x7 + 7x6 + 10x5
A. x5(x - 5)(x + 2) B. x5(x + 5)(x - 2) C. x5(x + 5)(x + 2) D. x5(x2 + 7x + 10)
Mathematics
Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The normal monthly precipitation (in inches) for August is listed for 12 different U.S. cities.3.51.62.43.74.13.91.03.64.23.43.72.2Compute the standard deviation.
A. 1.09 B. 1.05 C. 12.03 D. 1.00
Mathematics
Express the sum or difference as a product of sines and/or cosines.sin 
+ sin 
A. 2 sin 
sin ?
B. 2 sin 
cos ?
C. 2 cos(7?) sin ?
D. 2 sin(7?)
Mathematics
Name the quadrant, if any, in which the point is located.(-11, -13)
A. IV B. None C. II D. III
Mathematics