Can anyone help w these questions all of em I’m really confused and I’m 6th grade

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 describes horizontal cross section of the right rectangle 6m 8m 5m

Select the lengths in centimeters that would form a right triangle