What must necessarily be true for two linear equations to have an infinite number of solutions?

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

Describe the domain and range of y=2(3)^x-2+5

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.