Simplify. Express the answer using positive exponents.(x-2y6)-4

A.  
B.  
C.
D.  


Answer: D

Mathematics

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A. 24v2 B. 12u2 C. 24u2 D. 12v2

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A. 30 B. 18 C. 45 D. 90

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Evaluate the determinant.

A. 32 - ab B. ba - 32 C. 4a - 8b D. -4a + 8b

Mathematics