Question

Work is due in 2 hours​

Answer 1

Bearing is just taking reference from the north. In this case Q to point Pat which has three 90 Degree points and the angle of 45 Degrees
In this case you can write it as this vvv
—90+90+90+45=315 Degrees

Answer 2

Step-by-step explanation:

${3}^{2} + {3}^{2} = 2 \times {3}^{2} = 18 \\ \sqrt{18} = 4.24 \: km$