Plane a Is Flying at 350 Mph in the Northeast

Multiple Choice

Plane A is flying at 350 mph in the northeast direction relative to the Earth.Plane B is flying at 460 mph in the north direction relative to the Earth.What is the direction of motion of Plane B as observed from Plane A?

A) 70.7° N of E
B) 49.3° N of W
C) 40.7° N of W
D) 19.3° N of W
E) 48.2° N of E