Which choice shows a correct way to solve 8•13?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Find the distance between (7,-6) and (-3,-9)

90.0% complete a b c d e confirm last week, your delivery runs took 7 hours 12 minutes on monday, 6 hours 46 minutes on wednesday, and 6 hours 53 minutes on friday. what was your average time for a delivery run?