Provide an appropriate response.The following table lists the population change over a 20-year period for selected countries. List the countries that had a decline in population during this period 
A. C and D
B. B
C. B and D
D. A and C
Answer: C
Mathematics
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Provide an appropriate response.Find the coordinates of all points (x, y) on the graph of the equation x2 + y2 = 2x + 2y where the tangent is horizontal.
A. (1, 1 + 
), (1, 1 - 
)
B. (1, 1), (1, -1)
C. (2, 2 + 
), (2, 2 - 
)
D. (2, 0), (2, 2)
Mathematics
Evaluate the spherical coordinate integral.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Simplify the expression.-3 + 4(8 - 2m)
A. 29 + 8m B. 32 - 8m C. 29 - 2m D. 29 - 8m
Mathematics
Find the sum.-40 + 35
A. -75 B. -5 C. 5 D. 75
Mathematics