If m is 21 inches, j is 28 inches, and ∠k measures 90°, then find k using the law of cosines. round your answer to the nearest tenth. answer choices
35 in
49 in
1,225 in
2,401 in

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.