Find ?, if 
and
?
and ? in QI
?
A. 210
B. 30
C. 120
D. 45
E. 300
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
Divide and simplify.
÷ 
A. 
B. z + 3
C. 
D. 
Mathematics
Solve for x using an equivalent exponential expression.A square sheet of posterboard has an area of 256 square centimeters. What is the length of each side?
A. 128 cm B. 16 cm C. 32 cm D. 8 cm
Mathematics
Determine if the number is a solution to the equation.3(x - 1) - x = 4x + 3; x = -3
A. Yes B. No
Mathematics