Use a product-to-sum identity to rewrite the expression.cos 15° sin 45°
A. 0.5(sin(60°) + sin (-30°))
B. 0.5(sin(60°) + sin (30°))
C. 0.5(cos(-30°) - cos (60°))
D. 0.5(cos(60°) + cos (-30°))
Answer: B
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Answer the question.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) 
Why must the graph be interpreted with care? If the graph is not interpreted with care what misleading impression might one have of world population during the period 1960-2010? In which year during the period 1960-2010 is estimated world population the greatest? During which years did world population increase at the fastest rate?Summarize the overall trends in world population during the period 1960-2010.
What will be an ideal response?
Use the Comparison Test to determine if the series converges or diverges.
A. diverges B. converges
Graph the complex number.1 + j
A. 
B. 
C. 
D. 
Find the area.
A. 36 in2 B. 144 in2 C. 18 in2 D. 72 in2