Describe a model that represents 4/4 times 3/3

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

The reflexive property of congruence lets you say that ∠pqr ≅

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?