Hlo anybody have any questions . plz ask me only maths

For how answer my question this will be the last question can you answer in math subject

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

What is the solution set of the quadratic inequality x^2-5< or equal to 0