The sum of a number is P and seven is divided by 12.the result is three what is the number?

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

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0