Aship is steering on a heading of 65° relative to true north at a speed of 18 knots (nautical miles per hour), and there is a northwesterly current moving at a speed of 3 knots. what is the resultant speed and direction of the ship? a. 17.2 knots, heading 55.6° b. 19.2 knots, heading 73.4° (incorrect) c. 17.2 knots, heading 34.4° d. 15.2 knots, heading 68.9° (incorrect)

Two trains leave a station on different tracks. the tracks make an angle of 130°, with the station as a vertex. the first train travels 100 km and makes its first stop at point a, while the second train travels 200 km and makes it first stop at point b. how far apart are the trains when both are at their first stop? round the answer to the nearest integer. a) 65 km b) 139 km c) 224 km d) 275 km