Solve the problem.Ron and Kathy are ticket-sellers at their class play, Ron handling student tickets that sell for $2.00 each and Kathy selling adult tickets for $5.50 each. If their total income for 31 tickets was $128.50, how many did Ron sell?
A. 19 tickets
B. 12 tickets
C. 14 tickets
D. 24 tickets
Answer: B
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A. -120.62° B. -240.64° C. -120.32° D. -240.34°
Solve the problem.If -15 is added to a number and the sum is doubled, the result is 9 less than the number. Find the number.
A. 24 B. 39 C. 21 D. -39
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A. x = -4, m: undefined B. y = x - 4, m = 0 C. y = -4, m: undefined D. y = x - 8, m = 1
Solve the equation graphically over the interval [0, 2?). Express solutions to the nearest hundredth.-cot x - csc x = 4
A. {0.80} B. {0.49, 3.14} C. {5.79} D. {1.25, 4.51}