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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Solve the problem.Find the center of mass of the first-octant portion of a solid ball of radius 4 centered at the origin.
A. (
, 
, 
) = 
B. (
, 
, 
) = 
C. (
, 
, 
) = 
D. (
, 
, 
) = 
Mathematics
Solve the inequality. Write the solution set in interval notation and graph it.-8c - 1 ? -9c + 11
A. (-8, ?)
B. (-?, 12]
C. [12, ?)
D. (-?, -8)
Mathematics
Evaluate the polynomial at the given value(s) of the variable(s).8xy2
x = -8, y = 3
A. -576 B. 1536 C. 72 D. -72
Mathematics
Factor the sum or difference of two cubes completely.8p3 + q3
A. (2p + q)(4p2 + q2) B. (2p + q)(4p2 + 2pq + q2) C. (2p + q)(4p2 - 2pq - q2) D. (2p + q)(4p2 - 2pq + q2)
Mathematics