Which two ordered pairs represent a proportional relationship? A.
(3, 2) and (6, 4)
B.
(3, 2) and (6, 6)
C.
(4, 2) and (6, 4)
D.
(5, 3) and (6, 4)

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