Question 53157
X DISTANCE IS -3-(-12)=-3+12=9 & THE Y DISTANCE IS 4-(-6)=10
X MIDPOINT IS HALF OF THE DISTANCE OR 9/2=4.5 OR -12+4.5=7.5 
Y MIDPOINT IS HALF OF THE DISTANCE  OR 10/2=5  OR -6+5=-1

SO THE MIIDPOINT IS (7.5,-1)