If ST=w–37 and RU=w–60, what is the value of w?

Multiplying an even number of negative numbers gives an answer that is choose from:

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 .

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8