Write interval notation.{x? x > 1}

A. (-?, 1)
B. (1, ?)
C. [1, ?)
D. (-?, 1]

Answer: B

Mathematics

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Solve the problem.The manager of a candy shop sells chocolate covered peanuts for $7 per pound and chocolate covered cashews for $13 per pound. The manager wishes to mix 100 pounds of the cashews to get a  mixture that will sell for $9 per pound. How many pounds of peanuts should be used?

A. 150 pounds B. 300 pounds C. 200 pounds D. 100 pounds

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Mathematics

Find the indicated quantities for the appropriate arithmetic sequence.If a person puts 1¢ in a piggy bank on the first day, 2¢ on the second day, 3¢ on the third day, and so forth, how much money will be in the bank after 50 days?

A. $0.50 B. $6.38 C. $25.50 D. $12.75

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Mathematics

Complete the table.  Object  Millimeters   (mm)  Centimeters  (cm)  Meters  (m)  Height of plant      0.847 

A.

  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  84.7  8.47  0.847 

B.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  0.000847  0.00847  0.847 

C.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  847  84.7  0.847 

D.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  8470  84.7  0.847 

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Mathematics

Solve the variation problem.The time necessary to make an enlargement of a photo negative varies directly as the area of the enlargement. If 126 sec are required to make a  enlargement, find the time required for a  enlargement.

A. 256 sec B. 192 sec C. 160 sec D. 224 sec

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Mathematics