Expand.(a - b)6
A. a6 + 6a5b + 15a4b2 + 20a3b3 + 15a2b4 + 6ab5 + b6
B. a6 - 6a5b + 15a4b2 - 20a3b3 + 15a2b4 - 6ab5 + b6
C. a6 - 6a5b - 15a4b2 - 20a3b3 - 15a2b4 - 6ab5 - b6
D. -a6 + 6a5b - 15a4b2 + 20a3b3 - 15a2b4 + 6ab5 - b6
Answer: B
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Find 
and 
.f(x, y) = 
A. 
= - 
; 
= - 
B. 
= 
; 
= - 
C. 
= 
; 
= - 
D. 
= 
; 
= 
Solve the problem.Suppose 8 candidates a, b, c, d, e, f, g, h are involved in a Pairwise Comparison Method election. The number of pairwise comparisons each candidate wins is shown in the table. 
Which candidate wins the election and how many pairwise points does the winner have?
A. c, with 5 pairwise points B. c, with 7 pairwise points C. c, with 6 pairwise points D. c, with 8 pairwise points
Provide an appropriate response.Find 8.5% of 0.3.
A. 0.255 B. 0.0255 C. 0.353 D. 3.529
What is the conjugate of -2+j?
What will be an ideal response?