Why is 3 divided by 8 is three times 1 divided by 8

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 .

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

How can you find the magnitude of a vector, v = < x, y > , where the horizontal change is x and the vertical change is y?