A plane flying at 16,837 ft needs to make an emergency landing on a plateau up ahead. If the Plateau is 421877 ft ahead, and the plane’s going to descend at a 2-degree angle of depression, how high is the plateau above sea level.

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?

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14