Abel, Bob and Carl collectively weight 185.4 pounds. Abel is twice as heavy as Bob, and carl is 10.1 pounds lighter than Abel. How much more heavier is Carl and Bob?

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

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)