Find the arc length. Leave your answer in terms of pi.An arc with central angle 184° and radius 8 m
A. 16.36? m
B. 1.02? m
C. 0.04? m
D. 8.18? m
Answer: D
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Use the discriminant to determine the number and type of the solutions to the quadratic equation. Do not solve the equation.x2 + 6x + 9 = 0
A. two nonreal solutions B. two real solutions C. exactly one real solution
Solve the problem.Economists use what is called a Leffer curve to predict the government revenue for tax rates from 0% to 100%. Economists agree that the end points of the curve generate 0 revenue, but disagree on the tax rate that produces the maximum revenue. Suppose an economist produces this rational function 
where R is revenue in millions at a tax rate of x percent. Use a graphing calculator to graph the function. What tax rate produces the maximum revenue? What is the maximum revenue?
A. 34.0%; $271 million B. 36.6%; $268 million C. 41.2%; $264 million D. 35.8%; $276 million
Solve the problem.For what numbers ? is f(?) = sec ? not defined?
A. odd multiples of 
(90°)
B. all real numbers
C. odd multiples of ? (180°)
D. integral multiples of ? (180°)
Solve for the unknown quantity.
= 
A. c = 2088
B. c = 
C. c = 36
D. c = 59