Solve the problem.The Family Arts Center charges $21 for adults, $14 for senior citizens, and $5 for children under 12 for their live performances on Sunday afternoon. This past Sunday, the paid revenue was 
for 758 tickets sold. There were 50 more children than adults. How many children attended?
A. 290 children
B. 240 children
C. 280 children
D. 228 children
Answer: A
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Solve.A salesperson earned $350 a week plus a bonus of $19 for each service contract sold. If the pay one week was $502 how many service contracts were sold?
A. 5 contracts B. 18 contracts C. 2 contracts D. 8 contracts
Refer to the double-bar graph below which shows the number of male and female athletes at a university over a four-year period. Solve the problem.
What was the amount of the decrease in the number of female athletes from 2004 to 2005?
A. 50 B. 75 C. 200 D. 100
Express the product as a sum containing only sines or cosines.-2 sin(5?) sin ?
A. cos(6?) - cos(4?) B. cos(7?) - cos(3?) C. cos(7?) + cos(3?) D. cos(6?) + cos(4?)
Solve, using the substitution method, and check.
A. (-8, -3) B. (13, 8) C. (5, 6) D. (8, 3) E. (-9, -2)