The point P on the circle x2 + y2 = r2 that is also on the terminal side of an angle ? in standard position is given. Find the indicated trigonometric function.(2, -3)Find tan ?.
A. - 
B. - 
C. 
D. - 
Answer: D
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Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3 and P4.)The winning coalitions are
A. all coalitions with three or more players except for {P2, P3, P4}. B. only the grand coalition. C. all coalitions with three or more players. D. all coalitions with two or more players except for {P3, P4}. E. none of these
Solve.An elliptical bicycle path is constructed in a local park. The equation of the ellipse that represents the path, in yards, is given by 
+ 
= 1. What are the length and the width of the bicycle path?
A. length: 65 yd; width: 40 yd B. length: 80 yd; width: 130 yd C. length: 130 yd; width: 80 yd D. length: 40 yd; width: 65 yd
Solve the problem.The average waiting time in a line before getting served is given by ?W = 
where A is the average rate that people arrive at the line and S is the average service time. At a certain bank, the average service time is 4 minutes. By sketching a graph of the equation on the interval 
answer the following questions. What happens to W when A is close to zero? Why does this make sense? What feature of your graph gives this information?
What will be an ideal response?
Solve the quadratic equation using the quadratic formula.2x2 + 6x + 3 = 0
A. 
B. 
C. 
D. 