What is the solution to the equation (-14)+x-14 a) x = 28 b) x= 0 c) x =1 d) x= -28

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;

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists