Which of the following statements are true? Select all that apply.
a) The image of the point (-3,-5) under a reflection across the x-axis is (3,-5).
b) The image of the point (1,9) under a reflection across the y-axis is (1,-9).
c) The image of the point (8,7) under a reflection across the line y=-x is (-7,-8).
d) The image of the point (-6,-6) under a reflection across the y=x is (-6,-6).
e) The image of the point (2,4) under a reflection across the y-axis followed by a reflection across y=xis (-2,-2).
f) Point K (3,-1)is reflected across the x-axis to creak point K'.The line x+3y=6 passes through point K'.