Ireally need with this, give a decent explanation for brainliest. what is the scale factor of the dilation? a(-4, -6) b(-8, 2) c(-2, 4) a'(-2, -3) b'(-4, 1) c'(-1, 2) a) 1 b) 1/2 c) -1/2 d) -2

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