Simplify, if possible.
A. -6
B. 
C. - 
D. 
Answer: C
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Find the indicated vector.Let u = 
, v = 
. Find u - v.
A. 
B. 
C. 
D. 
Solve the problem.In the weighted voting system [q : 24, 12, 6, 3], what is the largest possible value of the quota q for which P4 is a dummy?
A. 42 B. 41 C. 39 D. 40 E. none of these
Polar coordinates of a point are given. Find the rectangular coordinates of the point.
A. (1.7, 4.8) B. (-4.8, -1.7) C. (-1.7, -4.8) D. (4.8, 1.7)
Solve the problem.The diagram shows the roads connecting four cities.WX
YZThe matrix A below represents the number of routes between each pair of cities without passing through another city. 
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Calculate A2. What information is given by the entry in row 3, column 2 of A2?
A. There are 4 ways to travel between cities Y and X by passing through two cities
B. There are 2 ways to travel between cities Y and X by passing through at most one city
C. There are 4 ways to travel between cities Y and X by passing through one city
D. There are 2 ways to travel between cities Y and X without passing through another city