If triangle DEF is dilated by a scale factor of 1/2 with center of dilation at the origin (0,0), what is the x-coordinate of E' ? Question 2 options:

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?