What number is the highest and which is the lowest. 22.075, 25.125, 23.015, 25.085

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;

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2