Find the mean absolute deviation of the data 239, 216, 178, 147, 135​

The triangles are similar. what is the value of x? x=

Determine the relationship of ab and cd given the following points

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.