Thirty employed single individuals were randomly selected to examine the relationship between their age (Age)and their credit card debt (Debt)expressed as a percentage of their annual income.Three polynomial models were applied and the following table summarizes Excel's regression results. 
Using the quadratic regression equation,find the age of an employed single person with the highest predicted percentage debt.
Definitions:
Natural Selection
The process by which organisms that are better adapted to their environment tend to survive and produce more offspring, thus driving the evolution of species.
Depth Cues
Visual or auditory information that helps to determine the distance between the observer and objects in the environment.
Redundancy
The inclusion of extra components or information that are not necessary for functioning, often to ensure reliability or convey additional confirmation.
Geometry
A branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
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