Find parametric equations for the line described below.The line through the points P(-1, -1, -3) and Q(6, 1, 7)
A. x = t + 7, y = t + 2, z = -3t + 10
B. x = 7t + 1, y = 2t + 1, z = 10t + 3
C. x = 7t - 1, y = 2t - 1, z = 10t - 3
D. x = t - 7, y = t - 2, z = -3t - 10
Answer: C
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Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the parabola y = 64 - x2 and the x-axis, with density ?(x) = 8x2
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 
, 
= 0
Use the preference table to answer the question.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The preference table below shows the results of the ballots with candidates Clark (C), Jones (J), and Smith (S). 
A second election is then held resulting in the following preference table: 
If the plurality-with-elimination method is used to determine the winner, is the montonicity criterion satisfied?
A. Yes B. No
Draw and shade a Venn diagram that corresponds to the set.(A ? B) ? 
A. 
B. 
Solve the equation.32x + 1 = 27
A. {-1} B. {1} C. {9} D. {3}