Find an angle between 0 and 2pi that is coterminal with -4pi/3

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

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15