find the distance between points (14,-22) (21,-17). find the midpoint segment that joins
Distance = sqrt( (x2-x1)^2 + (y2-y1)^2 )
= sqrt( 7^2 + 5^2)
= sqrt(49+25)
=sqrt(74)
Midpoint = ( (x2+x1)/2, (y2+y1)/2)
= ( (21+14)/2, (-17-22)/2)
= (35/2, -39/2)