Answer:
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Answer:
a. expected retaliation from competitors.b. the cost of substitute products.c. variable costs of production.d. customers' high switching costs.
The angle of elevation of the ground is the angle between the ground and the line of sight
The angle of elevation of the ground is 30.46 degrees
<h3>How to calculate the angle of elevation</h3>
The angle of elevation is calculated using the following tangent ratio

Evaluate the quotient

Take the arc tan of both sides

Using a calculator, we have:
= 30.46
Hence, the angle of elevation of the ground to the nearest tenth of a degree is 30.46 degrees
Read more about elevation and distance at:
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D. because it has not only productivity but synergy
Petter starts a runner on the track team in the league so that he can get more athletic