Find the slope of the tangent in the positive 
-direction to the surface 
at 
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?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Refer to the following normal curve, with mean ? and standard deviation ?.
The standard deviation ? =
A. 12 B. 24 C. 3 D. 6 E. none of these
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Use the LCD to clear fractions and solve the given equation.
(2x - 9) = - 
x
A. 
B. 
C. 0
D. 
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Perform the indicated operation by the requested method.7 × 93; use Egyptian algorithm
A. 665 B. 651 C. 623 D. 644
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Find all solutions of the equation in the interval [0, 2?).4 sin2 x - 3 = 0
A. 
B. 
C. 
D. 
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