Solve the problem.A musician plans to perform 5 selections for a concert. If he can choose from 7 different selections, how many ways can he arrange his program?
A. 2520
B. 21
C. 16,807
D. 35
Answer: A
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Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Solve the problem.The profit function for a product is given by P(x) = -0.7x3 + 115.5x2 - 3710x - 84,000 dollars, where x is the number of units produced and sold. Determine the levels of production and sale that give break-even.
A. 90 or 120 units B. 100 units C. 80 or 100 units D. 120 units
Answer the question.Let p be a point in the interior of ?abc with barycentric coordinates 
What is the area of ?pbc with respect to the area of ?abc?
A. 
? (area of ?abc)
B. 
? (area of ?abc)
C. 
? (area of ?abc)
D. Not enough information to determine.
Solve the problem.A game has payoff matrix 
.(a) Determine the optimal strategy for R.(b) Determine the optimal strategy for C.
What will be an ideal response?