Find the area of the shaded region.

The triangles are similar. what is the value of x? show your work.

This is so hard and it’s for a test

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?