How to solve this equation by step

12f=216​

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Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?