Which transformations will produce similar, but not congruent, figures?

triangle mno is reflected across the y-axis and then dilated by a scale factor of 1.8 to form triangle m"n"o" .

triangle mno is reflected across the x-axis and then translated 9 units down to form triangle m"n"o" .

triangle mno is reflected across the x-axis and then rotated 90° clockwise to form triangle m"n"o" .

triangle mno is reflected across the y-axis and then rotated 180° clockwise to form triangle m"n"o" .