For geometry if u have a triangle do you add up all of the sides and divide?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

How far could you drive on 50 gallons of gas

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