Find the real solutions of the equation.x + 
= 20
A. {5}
B. {16}
C. {25}
D. {4}
Answer: B
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Solve the problem.Maxwell's theory of electromagnetic waves established that electromagnetism moved through space in waves. Under certain conditions, an equation that Maxwell used to explain the motion of such waves would take the form 
where ? is the angle of incidence of the original wave, ? is the angle of incidence of the wave when reflected, A is the amplitude of the original wave, and B is the amplitude of the wave when reflected. Express 
in terms of sin ?, cos ?, sin ?, and cos ?.
A. 
B. 
C. 
D. 
Which of the following is not a reason for strategic alliances?
A. sharing significant R&D investments B. outsourcing for low costs and high quality output C. blocking foreign competitors from domestic markets D. building economies of scale
Solve the problem.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). Use the equation of the least squares line to predict the number of products sold if the cost of advertising is $14,000. 
A. 91.86 products sold B. 94.86 products sold C. 39,115.8 products sold D. 101.56 products sold
Suppose a manufacturer can sell q = 
- 6 units of a product when the price is p dollars per unit. Determine the elasticity of demand, E(p), when the price is p = 8 dollars.Enter just an integer.
Fill in the blank(s) with the appropriate word(s).