Undetermined coefficients with sines/cosines find a particular solution of the following equations. 17. y"-y 3 sin 2t 18, y" + 4y = 5 cos 3 t 19. y": sint + 3 cost 20. y"-3y'? 4y = 2 cos 2t-3 sin 2t

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

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

What is the ratio of the length of an object in yards to the length of the same object in miles?