Which transformations could have been performed on triangle jkl to form congruent triangle j ' k ' l '?
choose exactly two answers that are correct.

a.
triangle jkl was rotated 90° counterclockwise around the origin to form triangle jꞌkꞌlꞌ.

b.
triangle jkl was rotated 90° clockwise around point p to form triangle jꞌkꞌlꞌ.

c.
triangle jꞌkꞌlꞌ was reflected across the line x = minus 4 to form triangle jꞌꞌkꞌꞌlꞌꞌ.

d.
triangle jꞌkꞌlꞌ was reflected across the x-axis to form triangle jꞌꞌkꞌꞌlꞌꞌ.