Solve the problem.A 507-seat theater will sell tickets at $20 and $15 for a particular concert. Let x and y represent the number of tickets that will sell for $20 and $15, respectively. Assume that the show will sell out. How many of each ticket must be sold for the revenue to be $8345?
A. 269 tickets at $20
238 tickets at $15
B. 238 tickets at $20
269 tickets at $15
C. 148 tickets at $20
359 tickets at $15
D. 359 tickets at $20
148 tickets at $15
Answer: C
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Solve.Megan made her weekly trip to the fish market. This time she bought 2.8 pounds of cod for $2.75 per pound and 1.5 pounds of halibut for $7.75 per pound. How much did she spend altogether for fish? Round to the nearest cent if necessary.
A. $19.33 B. $17.13 C. $21.36 D. $20.43
Graph the function.f(x) = x3 - 4x2
A. 
B. 
C. 
D. 
Solve for x. Round to the nearest ten-thousandth.log (225x2) = 3.456
A. ± 1.0506 B. ± 3.5638 C. ± 161.3002 D. ± 12.7004
One or more initial conditions are given for the differential equation. Use the qualitative theory of autonomous differential equations to sketch the graphs of the corresponding solution. Include a yz-graph as well as a ty-graph. Do these graphs represent: 
Enter just "yes" or "no".
Fill in the blank(s) with the appropriate word(s).