If ABCD is dilated by a scale factor of 2 about point E, which of the following is true about E'F'?
E'F' is perpendicular to
EF

E'F' is parallel to EF

E'F' intersects with point B'

E'F' passes through the center of dilation

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]