I need help understanding how to do this problem.

Guadalupe took out a $30,000 student loan with a xed interest rate to pay for college. Guadalupe did not make payments on her loan for a period of 9 years. After this time period interest had accrued, resulting in the loan balance increasing to $63,000. a. What is the 9-year growth factor for the amount that Guadalupe owes on the loan? Preview b. What is the 9-year percent change for the amount that Guadalupe owes on the loan? % Preview 0. What is the 1-year growth factor for the amount that Guadalupe owes on the loan? Preview d. What is the 1-year percent change for the amount that Guadalupe owes on the loan? % Preview Submit Question 2. Points possible: 3 License This is attempt 1 of ]