Simplify.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region bounded by the x-axis and the semicircle y = 
A. 
= 
, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 
, 
= 0
Mathematics
Find all real numbers that satisfy the equation.sin x = - 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.An invoice dated June 28, to be paid in 70 days, is due on:
A. September 6 B. September 7 C. September 5 D. September 4
Mathematics
The histogram shows the scores of each participant in a game from a total of 100 participants. 
How many more participants scored 60-79 than 20-39?
A. 35 participants B. 13 participants C. 26 participants D. 22 participants
Mathematics