Find the unit vector in the direction of <-12,-5>. Exact answers only and you must show all steps to receive credit for your answer.

Air Navigation An airplane travels in the direction of 148 with an airspeed of 875 kilometers per hour. Due to the wind, its groundspeed and direction are 800 kilometers per hour and 140, respectively (see figure). Find the direction and speed of the wind.

Determine whether each vector is a scalar multiple of z=(3,2,5). a v=(92,3,152) b w=(9,6,15)

For the vector v=(3,2), sketch a 4v, b 12v, and c 0v.