Evaluate. 111
A. 
B. 1
C. 11
D. 11
Answer: D
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Use a calculator to give the real number value. Round the answer to 7 decimal places.y = sin-1(0.6561)
A. 0.5806515 B. 0.6809524 C. -0.7158730 D. 0.7156393
Solve the problem.Not all murder cases are solved. The percentages of murder cases solved in various years are listed in the table below. 
Let f(t) represent the percent of murder cases solved at t years since 1999. A reasonable model is 
Find the approximate vertex of f. What does it mean in terms of the situation?
A. (13.28, 64.47); 64.47% of cases were solved in 2012, which is the lowest percent for any year. B. (14, 64); 64% of cases were solved in 2013, which is the lowest percent for any year. C. (14.78, 63.75); 63.75% of cases were solved in 2014, which is the lowest percent for any year. D. (12.78, 63.12); 63.12% of cases were solved in 2012, which is the lowest percent for any year.
A plane can fly 480 mph in still air. If it can fly 540 miles downwind in the same amount of time it can fly 420 miles upwind, find the velocity of the wind. ? Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 1 - x2