Jake earns $38,000 in his first year of working and earns a 2.5% increase in each successive year. Find Jakes total earnings for his first 12 years of working, to the nearest cent.

4. jake needs to score in the top 10% in order to earn a physical fitness certificate. the class mean is 78 and the standard deviation is 5.5. what raw score does he need? z value for top 10% =1.282 how do i get the z value? what is the equation for this? raw score =mean+z*sd = 78+1.282*5.5 = 85.051