Find the coordinates of the midpoint of a segment with the given endpoints. 21. S(0, -8) T(-6,14)
22. E(4,4) F(4,-18)
23. V(-1.5,8) W(0.25,-1)
24. G(-5.5,-6.1) H(-0.5,9.1)

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 .

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

Tell whether the two rates form a proportion