A coin is tossed 3 times find the probability of getting at least two heads

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

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.