What is the distance between points (9, –7) and (9, 4) on a coordinate plane?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

True or false? a circle could be circumscribed about the quadrilateral below.

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?