The formula for determining the pressure, p, exerted on an object at a depth, h, below the surface of a
liquid is p = s + dgh, where s is the atmospheric
pressure, d is the density of the liquid, and gis the
acceleration due to gravity. Which formula
represents h in terms of p, s, d, and g?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?