Solve the problem.Tickets for the school play cost $7 for students and $10 for adults. On opening night, all 360 seats were filled, and the box office revenues were $2580. How many student and how many adult tickets were sold?
A. 340 adult and 20 student
B. 340 student and 20 adult
C. 320 adult and 40 student
D. 360 student and 0 adult
Answer: B
Mathematics
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A. 81? B. 9? C. 2? D. 18?
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Calculate the flux of the field F across the closed plane curve C.F = xi + yj; the curve C is the circle (x - 10)2 + (y + 4)2 = 16
A. 2? B. 32? C. 32? + 40 D. 0
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Find a Cartesian equation for the line whose polar equation is given.r cos
= 5
A. y = x - 5
B. y = x + 10
C. y = 
x - 10
D. y = x + 5
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Use l'Hopital's Rule to evaluate the limit.
A. -1 B. 1 C. ? D. 0
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