Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.(5x4y7)-2
A. 25x8y14
B. 
C. 
D. 
Answer: B
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Use the Ratio Test to determine if the series converges or diverges.
A. Diverges B. Converges
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
Find the sum ? + ? or the difference ? - ? as indicated.Find ? - ?.? = 90°, ? = 33°28'42"
A. 57°32'18" B. 56°32'18" C. 56°31'17" D. 56°31'18"
Solve the problem.A basketball player with a free throw shooting percentage of 80% gets fouled and goes to the line to shoot two free throws. What are the odds of her making her first shot?
A. 4 : 5 B. 1 : 4 C. 4 : 1 D. 5 : 4