Evaluate the sum.
A. 23
B. 12
C. 42
D. 21
Answer: D
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Provide an appropriate response.Let sk denote the kth partial sum of the alternating harmonic series. Compute s16, s17, and 
. Which of these is closest to the exact sum 
of the alternating harmonic series?
A. s17
B. 
C. s16
Find the product.(-3x + 9)(-5x + 3)
A. 15x2 - 54x + 27 B. 15x2 - 54x - 54 C. -8x2 - 54x + 27 D. -8x2 - 54x - 54
Perform the indicated operation and, if possible, simplify.
? 
A. 
B. 
C. 
D. 2
Construct a Venn diagram illustrating the following sets.Consider the following chart which shows teams that won at least 5 medals in wine-tasting competitions. Let the vineyards shown represent the universal set.
Let A = set of teams that won at least 31 medals.Let B = set of teams that won at least 7 gold medals.Let C = set of teams that won at least 5 silver medals.
A. 
B. 
C. 
D. 