Simplify the complex rational expression.
A. 
B. 
C. 
D. 
Answer: A
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Simplify the difference quotient by rationalizing the numerator.
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A. ?
B. ?
C. ?
D. ?
E. ?
Find the average value of 
over the given region.
+ z2 over the rectangular solid in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 
B. 
C. 
D. 
Solve the problem.A condominium association is holding an election for president of the board of directors. Each member ranks the candidates from first to third. The preference table below shows the results of the ballots with candidates Abbott(A), Blake (B), Cleary (C), and Downs (D). 
Determine the winner using the Borda count method and if the winner received a majority of first place votes.
A. Downs; No B. Blake; No C. Cleary; No D. Abbott; No
Solve.A box is constructed by cutting out square corners of a rectangular piece of cardboard and folding up the sides. If the cutout corners have sides with length x, then the volume of the box is given by the polynomial 
Factor out the greatest common factor for this expression.
A. 4(x3 - 14x2 + 40x) B. 2x(2x2 - 28x + 80) C. 4x(x2 - 14x + 40) D. 4x(x2 + 14x + 40)