Help me plz owo plz

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4