Me with this and explain it to me, you!

Find the roots of the equation below. x^2 - 6 + 9 = 0

What does the relationship between the mean and median reveal about the shape of the data

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years