Solve the equation by completing the square.(x - 7)(x - 1) = 10
A. {-4 - 
, -4 + 
}
B. {4 - 
, 4 + 
}
C. {4 - 
, 4 + 
}
D. {-4 - 
, -4 + 
}
Answer: B
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Answer the question about the preference schedule.If candidate E withdrew from the election (and voters for the other candidates were moved up in the table), how many votes would the other four candidates receive? Preference Schedule for an election. 
A. A-30, B-5, C-10, D-4 B. A-14, B-5, C-10, D-4 C. A-30, B-5, C-0, D-4 D. A-14, B-5, C-0, D-4
Find the center of mass of a thin plate of constant density covering the given region.The region bounded by y = x2 and y = 5
A. 
= 0, 
= 3
B. 
= 0, 
= 15
C. 
= 0, 
= 
D. 
= 0, 
= 6
Find the indicated cross product.v = 4i - 2j, w = 5i - 2j + 3kFind w × v.
A. 6i + 12j - 2k B. -12i - 6j - 2k C. -6i - 15j - 2k D. -2i - 6j + 6k
Write the exponential equation as an equation involving a logarithm.81/3 = 2
A. log82 = 
B. log28 = 
C. log18 = 
D. 
= 8