Me with this question need to get to 100!

Aportion of a line bounded by two points is defined as

Which of the following of the following sets of side lengths could not form a triangle?

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .