Question 7

1. Find the equation of the line passing through the points (2, 5) and (-4, -7).
2. Three ships P, Q and R are at sea. The bearing of Q from P is  and the bearing of P from R is . If |PQ| = 5 km and |PR| = 8 km,
3. illustrate the information in a diagram.
4. calculate, correct to three significant figures, the:
5. distance between Q and R;
6. bearing of R from Q.