Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.x + y + z=92x - 3y + 4z=7x - 4y + 3z=-2

A. {(-  + ,  - , z)}
B. {( + ,  - , z)}
C. {(-  + ,  + , z)}
D. {( + ,  + , z)}

Answer: C

Mathematics

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Find the exact value of the expression.

A.
B.
C. - 
D. - 

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Find the standard equation of the indicated hyperbola.Center (1, -5), focus (7, -5), vertex (5, -5)

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  -  = 1

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Mathematics

Complete the table.  Object  Millimeters   (mm)  Centimeters  (cm)  Meters  (m) Width of book?  40?

A.

  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
 Width of book  4.0   40  400

B.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
 Width of book  4.0   40  4000 

C.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
 Width of book  400   40  0.4 

D.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
 Width of book  4000   40  0.4 

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Mathematics

Determine whether the given equation is linear or nonlinear.-2n + 4 = 5n + 2(n - 12)

A. linear B. nonlinear

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Mathematics