Factor by grouping.8x6 - 20x3 + 6x3 - 15
A. (4x6 + 3)(2x - 5)
B. (8x3 - 3)(x3 + 5)
C. (4x3 - 3)(2x3 + 5)
D. (4x3 + 3)(2x3 - 5)
Answer: D
Mathematics
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Find the Jacobian 
or 
(as appropriate) using the given equations.x = 8u cos 6v, y = 8u sin 6v
A. 288u B. 384u C. 384v D. 288v
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Solve the system of equations.
- 
= 1x + y = 6
A. (-6, 0) B. (-6, 0), (7.5, -1.5) C. (6, 0), (7.5, -1.5) D. (6, 0)
Mathematics
Subtract. Convert the measure to the one that is underlined.7.2 L - 273 mL
A. 6927 L B. 69.27 L C. 4.47 L D. 6.927 L
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Solve the problem.The number of species in a sample is given by 
where n is the number of individuals in the sample and the constant 0.78 indicates the diversity of species in the community. Find S(n) when 
Round to the nearest unit.
A. 8 B. 0 C. 2 D. 6
Mathematics