Factor the trinomial.z2 - 2z - 80
A. (z + 8)(z - 10)
B. (z - 80)(z + 1)
C. (z - 8)(z + 10)
D. (z - 8)(z - 10)
Answer: A
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Find the volume.Find the volume of the solid generated by revolving the region in the first quadrant under the curve 
bounded on the left by x = 1, about the x-axis.
A. 16?
B. 
?
C. 4?
D. 
?
Graph the hyperbola. Give the coordinates of the center as well as the values of a and b.y2 - 9x2 = 81
A. center (0, 0), a = 9, b = 3
B. center (0, 0), a = 9, b = 3
C. center (0, 0), a = 3, b = 9
D. center (0, 0), a = 3, b = 9
Find a Hamilton circuit in the graph that begins with the specified edge. 
Edge "EF"
A. "EFABFECDE" B. "EFBACF" C. "EFBACDE" D. "EFDCABE"
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