How to solve this

n the table and sketch the Unit 2 Assessment Parts RETAKE ary. 1. The table shows the income for an employee each year he works for the company Year 1 2 3 4 5 6 7 Income 45000 46814 48212 52870 54125 58532 61075 y a. Use your graphing calculator to write the equation of the line of best fit. Round to 2 decimal places. work b. What is the correlation coefficient? Is this equation a good model for the data? c. Use the equation to predict the employee's income in year 15. 2. The table shows the estimated world population (in billions) for various years. Year 1980 1990 1997 2000 2005 2011 Population 4400 5100 5852 6080 6450 7000 a. Use your graphing calculator to write the equation of the line of best fit. Round to 2 decimal places. b. What is the correlation coefficient? Is this equation a good model for the data? work C. Use the equation to predict the world population in 2025