Acomputer store buys a computer system at a cost of $468.60. The selling price was first at $781, but then the store advertised a 30% markdown on the system. Answer parts a and b.

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