Find the center of mass of a thin plate of constant density covering the given region.The region in the first and fourth quadrants enclosed by the curves 
and 
and by the lines 
and 
A. 
= 0, 
= 
B. 
= 
, 
= 0
C. 
= 
, 
= 0
D. 
= 
, 
= 0
Answer: B
Mathematics
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4
+ 5
A. 10
B. 9
C. 9
D. 9
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Find the opposite of the integer.-1
A. 0 B. 1 C. -1 D. does not exist
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Solve the formula for the specified variable.y = mx + b for x
A. x = 
- b
B. x = 
C. x = 
D. x = y - mb
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Use a real number to represent the situation.After a year at Weight Watchers, Simone had lost 7 pounds.
A. -7 B. +7
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