Are the triangles similar? Explain why or why not

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

Can someone me and do the problem plz so i can understand it more better

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