Which phrase best describes a theorem in an axiomatic system?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

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

Is the figure congruent? yes or no?