The bottom one
That should be correct!!!
Same as any other midpoint of line segment or two points, it is the average of the two points x and y coordinates...
mp=((x1+x2)/2, (y1+y2)/2)
mp=((-6+16)/2, (-9+5)/2)
mp=(10/2, -4/2)
mp=(5, -2)
The third one, for every 6 french fries, there is 1 packet of ketchup.
<u><em>0.00266666667</em></u> m / min.
