Refer to the weighted voting system 
and the Banzhaf definition of power. (The five players will be called P1, P2, P3, P4, and P5.)The number of coalitions having exactly four players is
A. 20
B. 5
C. 1
D. 10
E. none of these
Answer: B
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Find the second derivative of the function.s = 
A. 
= 5t4 - 
- 
B. 
= 20t5 + 
+ 
C. 
= 5t3 - 
- 
D. 
= 20t3 + 
+ 
Convert the mixed number to an improper fraction.9
A. 
B. 
C. 
D. 
Calculate the instantaneous velocity for the given value of t of an object moving with rectilinear motion according to the given function relating s (in ft) and t (in s)s = 5t3 - 5t2 + 10; t = 5
A. 365 ft/s B. 25 ft/s C. -25 ft/s D. 325 ft/s
Solve the problem.The grade resistance F of a car traveling up or down a hill is modeled by the equation F = W sin ?, where W is the weight of the car and ? is the angle of the hill's grade (? > 0 for uphill travel, ? < 0 for downhill travel). What is the grade resistance (to the nearest pound) of a 3000-lb car traveling uphill on a 3° grade (
)?
A. 157 lb B. 3003 lb C. -3003 lb D. -157 lb