Taking somebody else’s ideas and passing them off as your own is called?

Which term best describes the phrase “something that happens”?

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen