The elevation at ground level is 0 feet. an elevator starts 90 feet below ground level. after traveling for 15 seconds, the elevator is 20 feet below ground level. which statement describes the elevator's rate of change in elevation during this 15-second interval?

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Someone which statements are true? check all that apply.

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