18.(08.03) Given the geometric sequence an = 3(-4)" - 1, which of the following values for n lies in the appropriate domain for n? (1 point) On= 0 On= -1 On=1 They all lie in the domain​

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

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

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15