Solve the problem.If there are x teams in a sports league and all the teams play each other twice, a total of N(x) games are played, where N(x) = x2 - x. A soccer league has 6 teams, each of which plays the others twice. If the league pays $48 per game for the field and officials, how much will it cost to play the entire schedule?
A. $1536
B. $1728
C. $2016
D. $1440
Answer: D
Mathematics
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Match the vector equation with the correct graph.
r(t) = 3i - 2j - tk; -1 ? t ? 1
A. Figure 8 B. Figure 5 C. Figure 6 D. Figure 3
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Find the sum, if it exists.47 - 
+ 
- 
+ . . .
A. - 
B. 
C. - 
D. Does not exist
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Graph the parabola.x = y2 - 2
A. 
B. 
C. 
D. 
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Solve the problem.Calculate the current bond yield for a bond that has a current bond price of 98.194% and a stated interest rate of 6.305%. Round to three decimal places.
A. 155.740% B. 6.421% C. 0.642% D. 1557.399%
Mathematics