Subtract the polynomials.(-20y5 + 7y2) - (10y5 + 16y2)

A. -39y7
B. -10y5 + 23y2
C. -30y5 + 23y2
D. -30y5 - 9y2


Answer: D

Mathematics

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B.
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A. -50 B. -52 C. 52 D. 50

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Write a matrix equation equivalent to the system of equations.10x - 11y + 11z = 5  10y - 9z = 10

A.
  = 
B.
  = 
C.
  = 
D.
  = 

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