Use the distributive property to rewrite the expression. Simplify if possible.7(5x + 7y + 8)
A. 35x + 7y + 56
B. 35x + 7y + 8
C. 35x + 49y + 8
D. 35x + 49y + 56
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 weight of the coalition {P1, P3, P4} is
A. 41. B. 43. C. 32. D. 25. E. none of these
Find the exact value of the indicated trigonometric function of ?.sin ? = - 
, tan ? > 0Find sec ?.
A. - 
B. - 
C. - 
D. 
Find the sum of the finite geometric series.The first 11 terms of the series whose terms are an = 2
n-1
A. S11 = 177,046 B. S11 = 177,146 C. S11 = 177,286 D. S11 = 88,573
Solve the problem.A particular strain of influenza is known to spread according to the function 
where t is the number of days after the first appearance of the strain and p(t) is the percentage of the population that is infected. Find the instantaneous rate of change of p with respect to t at 
A. 6% per day
B. 4% per day
C. 3% per day
D. 
% per day