Find the sum of the series please

3. find the radius of circle p.4. find y.

How do you convert 1.27 to a percentage

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