Which equation represents a line that passes through the point (6,−3)6,-3 and is parallel to the graph of y=3x+1y=3x+1? A y=3x−21y=3x-21 B y=3x+15y=3x+15 C y=−13x−1y=-13x-1 D y=−13x+5

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