If you are pocking a number between 1-20 what is the probability that you will pick a number greater than 14 or less than 4?

Need solving this second acceleration problem.

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

Collin did the work to see if 10 is a solution to the equation r/4=2.4