The center of an ellipse is located at (0, 0). One focus is located at (12, 0), and one directrix is at x = .
Which equation represents the ellipse?

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

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length