Wthe points(x,-3) and (9,11) is 2 then x=………… A.8 B.4 C.-4 D. 2 E.-2 The points A(2,-2) , B(4,2) and C is any point on AB. What is the slope of AC? A.12 B.1 C.2 D.-2 E.-1 11.If the points D(-4,6), E(1,1)