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What is this inequality notation? t is less then or equal to 2

If angle 2=3x +1 and angle 3=2x +4what is angle 2

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