Write a numerical expression for the phrase and simplify it.11 less than the difference between 20 and -5
A. 11 - 20 - (-5); -4
B. -5 - 20 - 11; -36
C. [20 - (-5)] - 11; 14
D. 5 - 20 - 11; -36
Answer: C
Mathematics
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Simplify using the quotient-to-power rule.
-3
A. x9y15
B. 
C. 
D. 
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Convert the rectangular coordinates of the point to polar coordinates (r, ?) with r > 0 and 0 ? ? < 2?.(-3, 0)
A. 
B. 
C. (3, ?)
D. (3, 0)
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Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by y = 
. What is the cost per ton for x = 50?
A. $456.52 B. $10.00 C. $5250.00 D. $4725.00
Mathematics
Solve the equation by the method of your choice.x2 + 10x + 10 = 0
A. {-5 - 
, -5 + 
}
B. {5 - 
, 5 + 
}
C. {5 + 
}
D. {-10 + 
}
Mathematics