What does it mean to evaluate the financial health of Goodyear Tire and Rubber Company?

I have to do an outline of the financial health of Goodyear Tire and Rubber Company; and I do not understand what any of this means. Can somebody please explain this to me?

When I, as an investor, evaluate the financial health of a company, I look at several things:

* Debt compared to net worth
* Cash flow
* Steady increases in sales and earnings

These sites have some useful information.

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http://74.125.93.132/search?q=cache:YHiRLscHOFkJ:www.waga.org/Risk%2520Management/assessing%2520your%2520financial%2520health.pdf+business+financial+health&cd=1&hl=en&ct=clnk&gl=us&ie=UTF-8