True or False: A discrete relation is a relation with an infinite set of values in the domain. NEED HELP ASAP WILL GIVE BRAINLLEST

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

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square