Afarmer wants to fence in a rectangular field for livestock. the boundary for one side of the field is a long, straight river. no fencing is needed on this side. for the remaining three sides, he has 600 meters of fencing available. what are the dimensions of the largest rectangular area that can be formed with this amount

An airplane is taking off headed due north with an air speed of 173 miles per hour at an angle of 18° relative to the horizontal. the wind is blowing with a velocity of 42 miles per hour at an angle of s47°e. find a vector that represents the resultant velocity of the plane relative to the point of takeoff. let i point east, j point north, and k point up.