In the image, two circles are centered at A. The circle containing B was dilated to produce the circle containing B'. What is the scale factor of the dilation? Whoever did this question on edmentum know the answer???

Which equation could represent the relationship shown in the scatter plot? y=−3x−2 y=−3/4x+10 y=−2/3x+1 y=9x−12 scatter plot with x axis labeled variable x and y axis labeled variable y. points go from upper left to lower right.