Is 3/5 a rational number

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q

Which of the following circles have their centers on the x-axis? check all that apply.