Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62
B. 0.26
C. 0.22
D. 0.50
Answer: A
Mathematics
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A. 
B. 
C. 
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Determine the greatest common factor for the pair of numbers.45, 54
A. 9 B. 81 C. 45 D. 27
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Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
1/f2(x), x = 4
A. - 
B. - 
C. - 
D. 
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Write as the sum, difference, or multiple of logarithms:
Mathematics