Solve the system of equations by substitution.

A. x = 1, y = 18; (1, 18)
B. x = 1, y = -9; (1, -9)
C. x = -1, y = 9; (-1, 9)
D. x = -1, y = -9; (-1, -9)

Answer: B

Mathematics

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Complete the table.  Object  Millimeters   (mm)  Centimeters  (cm)  Meters  (m)  Height of plant      0.988 

A.

  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  98.8  9.88  0.988 

B.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  988  98.8  0.988 

C.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  9880  98.8  0.988 

D.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  0.000988  0.00988  0.988 

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Graph.81x2 + 9y2  = 729

A.

B.

C.

D.

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Find the domain of the logarithmic function.f(x) = log6(x + 9)2

A. (9, ?) B. (-?, 0) or (0, ?) C. (-?, -9) or (-9, ?) D. (-9, ?)

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Marcia wants to get a new car stereo. She researches the cost with a variety of local car stereo installers and places her findings in a stem-and-leaf plot. 9 58999 10 478   11 0059  12 00055913 09    14 0       10|7 = $107What is the median price?

A. $110 B. $115 C. $119 D. $120

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