Solve the problem.The average cost of a 1 minute commercial on a leading network channel was $142,000 in the fall of 1999. This was a 9% decrease from the cost a year earlier. What was the cost of a 1 minute commercial on the channel in the fall of 1998?
A. $1278
B. $71,000
C. $156,044
D. $127,800
Answer: C
Mathematics
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List the intercepts of the graph. 
A. (-4, 0), (0, 4), (0, 1), (0, 5) B. (4, 0), (1, 0) (5, 0), (0, -4) C. (-4, 0), (1, 0), (-5, 0), (0, -4) D. (-4, 0), (0, -4), (0, 1), (0, -5)
Mathematics
Refer to the weighted voting system 
and the Shapley-Shubik definition of power. (The three players are P1, P2, and P3.)Which player in the sequential coalition 
is pivotal?
A. P2 B. P1 C. P3 D. All three players E. none of these
Mathematics
State the slope of the graph of f.f(x) = 
x + 2
A. 
B. 2
C. 
D. 0
Mathematics
Find the conjugate of the expression.
- 8
A. -
- 8
B. -
+ 8
C. 8
D. 
+ 8
Mathematics