Solve the problem.A theatre sells two types of tickets to their plays; children's tickets and adult tickets. For today's performance they have sold a total of 914 tickets. Also, they have sold 80 more adult tickets than children's tickets. How many children's tickets have they sold?
A. 421
B. 413
C. 417
D. 419
Answer: C
Mathematics
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Simplify the following rational expression.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
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Solve the problem. Round to the nearest hundredth.8.5% of 45 is what number?
A. 38.30 B. 0.38 C. 383.00 D. 3.83
Mathematics
Supply the missing numbers. Round decimals to the nearest thousandth and percents to the nearest tenth of a percent.fractiondecimalpercent?2.75
A. 2
27.5%
B. 2
27.5%
C. 2
275%
D. 2
275%
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, 
< ? < ?Find cos(2?).
A. 
B. - 
C. - 
D. 
Mathematics