A plane is located at 
miles (horizontally) away from an airport at an altitude of 6 miles and maintains a constant altitude. Radar at the airport detects that the distance 
between the plane and airport is changing at a rate of 
mph. What is the speed 
of the airplane?
Definitions:
Common Stock Split
A division of a company's existing shares into multiple ones to boost the liquidity of the shares, making them more affordable to small investors without altering the shareholder's equity.
Return on Equity
A financial ratio calculated by dividing net income by shareholder equity, used to measure the profitability of a company in generating profit from its equity investments.
Debt-to-Equity Ratio
This ratio measures the mix of shareholders' equity to debt in financing a company's assets.
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