please help. i was able to answer 1 & 2 but im completely stuck. please show work as well so i can know how to do it in future.

Question 1: Find the "Jefferson" files. Develop a linear regression with a dependent variable of "Enrollment (1000s). 1. What is the value of Rsquare? (Make sure two decimal places.) 2. What is the value of intercept? (Make sure two decimal places.) 3. What is the coefficient value of Period (t)? (Make sure two decimal places.) 4. Is the coefficient of Period (t) significant? (Yes:1, No: 0) 5. What is the forecast for year 10