If abc is parallel to dec=55 cde=65 and abc=2x

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.