If x^2/y is an integer, but x/y is not an integer, which of the following could be values of x and y?

x=1 y=1

x=3 y=2

x=4 y=2

x=6 y=4

x=9 y=3

Situation: . find the substance's half-life, in days. round your answer to the nearest tenth. a 11 gram sample of a substance that's used to treat thyroid disorders has a k. value of 0.1247. enter the correct answer n - noekt done no - initial mass (at time t = 0) n - mass at timet k a positive constant that depends on the substance itself and on the units used to measure time t= time, in days