Solve the equation.
= 
A. 0
B. 4
C. 8
D. No solution
Answer: B
Mathematics
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The graph below shows the approximate annual percentage growth rate in world population for the years 1960 through 2010. Data is estimated by the UN Census Bureau.Annual Growth Rate (Percentage) 
Use the graph to answer the question.In which year during the period 1960-2010 is estimated world population the greatest?
A. 1970 B. 1963 C. 1960 D. 2010
Mathematics
Find all real numbers in the interval [0, 2?) that satisfy the equation.2 cos2x + 
cos x = 0
A. 
B. 
C. 
D. 
Mathematics
Is the function graphed one-to-one?
A. Yes B. No
Mathematics
Complete.673.1 mg = 
mcg
A. 6.731 B. 67,310 C. 0.6731 D. 673,100
Mathematics