Evaluate the expression. 
A. 70
B. 
C. 1680
D. 840
Answer: A
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Set up an integral for the length of the curve.x = 8 tan y, 0 ? y ? 
A. 
B. 
C. 
D. 
Use the discriminant to determine the number and type of solutions for the equation. If the solution(s) are real, state whether they are rational or irrational.v2 + 7v + 3 = 0
A. Two irrational solutions B. Two rational solutions C. One rational solution D. Two nonreal complex solutions
Solve the problem.A 550-seat theater will sell tickets at $25 and $14 for a particular concert. Let x and y represent the number of tickets that will sell for $25 and $14, respectively. Assume that the show will sell out. How many of each ticket must be sold for the revenue to be $9680?
A. 270 tickets at $25 280 tickets at $14 B. 180 tickets at $25 370 tickets at $14 C. 370 tickets at $25 180 tickets at $14 D. 280 tickets at $25 270 tickets at $14
Determine whether or not the equation is linear.0.03x + 0.07x = 0.40
A. Linear B. Not linear