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 $44 per game for the field and officials, how much will it cost to play the entire schedule?
A. $1408
B. $1848
C. $1584
D. $1320
Answer: D
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Solve.Find the distance d(P1, P2) between points P1 = (7, -7) and P2 = (3, -5).
A. 2
B. 12
C. 12
D. 6
Find the product.4t4(t + 5)(3t - 3)
A. 12t6 - 60t5 + 48t4 B. 12t6 - 60t4 C. 12t6 + 48t5 - 60t4 D. 12t6 + 60t5 - 60t4
Find the requested area.Aunt Bea has won 9 blue ribbons for her apple pies at the State Fair. She wants to display them in a single row across a display case which is 32 inches wide. She wants to have 
inch between the ribbons, and center the display in the case. If each ribbon is 
inches wide, how wide will the border on each side be?
A. 4
in.
B. 4
in.
C. 4
in.
D. 4
in.
Solve.Of the 8760 hr in a year, most television sets are on for 3504 hr. What percent is this?
A. 60% B. 45% C. 40% D. 80%