Simplify.(8x6y4)2

A. 16x6y4
B. 64x12y8
C. 8x12y8
D. 8x8y6


Answer: B

Mathematics

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Solve the problem. Round your answer to two decimal places.Scores on a test are normally distributed with a mean of 118 and a standard deviation of 15. What is the exam score corresponding to a standard score of 1.92?

A. 118.13 B. 89.2 C. 146.8 D. None of the above

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Solve the following equation for x.x -  = - 

A. = 
B. = 
C. = - 
D. = - 

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Write a system of inequalities that describes the possible solutions to the problem.The Pen-Ink Company manufactures two ballpoint pens: silver and gold. The silver requires 8 minutes in a grinder and 9 minutes in a bonder. The gold requires 14 minutes in a grinder and 9 minutes in a bonder. The grinder can be run no more than 550 minutes per day and the bonder no more than 260 minutes per day. Let x represent the number of silver pens, and let y represent the number of gold pens. Including the system inequalities  and , find the remaining inequalities that best

represent this company's daily production of silver and gold pens. A. 0 ? 17x + 23y ? 810 B. x + y ? 550, x + y ? 260, x + y ? 810 C. 8x + 14y ? 550, 9x + 9y ? 260 D. 8x + 9y ? 550, 14x + 9y ? 260

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Write as the sum and/or difference of logarithms. Express powers as factors.log4

A. - 3log4x
B. log4x - 3
C. log4x - 3
D. 12 -  log4x

Mathematics