Andrew had $93. with this money, he could buy 3 cds and 4 books. however, he bought only 2 cds and 3 books and had $27 left. what was th cost of each cd?

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

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