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

Explanation:

`{3}^(2) + {3}^(2) = 2 * {3}^(2) = 18 \\ √(18) = 4.24 \: km`