What are the roots of this quartaic equation? -10^2 + 12x - 9 = 0

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I hope this helps.

Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

What is the difference between the equations of a vertical and a horizontal line?