Help with a log word problem​

Describe what moves you could use to create the transformation of the original image shown at right

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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