Without actual division, check whether the decimal expansion of rational number 51/120 is terminating or non-terminating

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem