For the problem below, ? is a central angle in a circle of radius r. Find the length of arc s cut off by ?.
?
?= 2, r = 5 inches.
?
A. s = 10 inches
B. s = 7 inches
C. s = 14.3 inches
D. s = 22.1 inches
E. s = 6 inches
Answer: A
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Determine whether the statement is true or false. If it is true, give two examples to illustrate it. If it is false, give a single counterexample.If the price of an air conditioner is raised by 17% and then lowered by 17%, the price will be the same as the original price.
What will be an ideal response?
Solve the equation for exact solutions.arccos x + arccos 2x = arccos 
A. 
B. 
C. 
D. 
Perform the indicated operation. Write the result in standard form.(9 + 8i) - (-6 + i)
A. 15 - 7i B. 3 + 9i C. 15 + 7i D. -15 - 7i
Solve the problem.The number of VHS movie rentals has declined since the year 2000 due to the popularity of DVDs, as the following table shows. The exponential regression equation was found to be 
where x represents the number of years since 2000. According to the exponential model, what is the decay rate for the number of VHS rentals?
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