Solve the problem.In the weighted voting system 
, the total number of possible coalitions is
A. 32.
B. 31.
C. 63.
D. 16.
E. none of these
Answer: B
Mathematics
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Find the velocity vector in terms of ur and u?.r = a(7 - cos ?) and 
= 5
A. v = (5a cos ?)ur + 5a(7 - sin ?)u? B. v = 5a(7 - cos ?)ur + (5a sin ?)u? C. v = (5a sin ?)ur + 5a(7 - cos ?)u? D. v = (7a sin ?)ur + 7a(5 - cos ?)u?
Mathematics
If I get a 5% raise each year for four consecutive years, that is the same as a 20% raise.
Answer the following statement true (T) or false (F)
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Evaluate the expression.-7 - (-3)
A. -10 B. -4 C. 4 D. 10
Mathematics
Write the equation of the line that passes through the point P (4, 4) and is perpendicular to the line y = - 4x + 13.
a. y = x + 3
b. 
c. 
d. 
e. 
Mathematics