Graph the system of inequalities, and find the coordinates of the vertices.3y + x ? 0,y + 2x ? 10,y ? 0
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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A discrete probability distribution for a random variable X is given. Use the given distribution to find the requested information.Find E(X).
A. 5.25 B. 7.92 C. 9 D. 9.6
Mathematics
Solve the problem by integration.Find the volume generated by revolving the first-quadrant area bounded by 
and x = 3 about the y-axis.
A. 
? ln 900
B. 5? ln 900
C. 10? ln 4
D. 5? ln 4
Mathematics
Answer the question or write an explanation.Explain how (-5x)8 and -5x8 are different.
What will be an ideal response?
Mathematics
Perform the indicated operations.(4p + 1)(4p - 1)
A. 16p2 + 8p - 1 B. 16p2 - 8p - 1 C. p2 - 1 D. 16p2 - 1
Mathematics