Find the conjugate of the complex number. Then multiply the complex number by its conjugate.2 + 5i
A. 2 - 5i; 29
B. -3; 29
C. 7; 29
D. 2 + 5i; 29
Answer: A
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Evaluate the integral.
A. 
B. 
C. 
D. 
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Solve.Find the centroid of the region between the x-axis and the curve y = 6 csc2 x, 
? x ? 
.
A. 
= 
, 
= 4
B. 
= 
, 
= 8
C. 
= 
, 
= 9
D. 
= 
, 
= 6
For the following question(s), refer to the digraph below.
Suppose that the vertices of the digraph represent basketball teams playing in a tournament and the arcs represent games already played. An arc going from vertex X to vertex Y means that team X beat team Y. (No ties are possible in basketball.) Which of the following statements [A), B), C), or D)] is not true?
A. A defeated B and C but lost to E. B. B played a total of 5 games, winning 2 and losing 3. C. D and C were the only two teams that did not play each other. D. B and C were the only two teams that played each other twice. E. all of these statements are true.