11.7 units, -33$^o$ (i.e., 33$^o$ south of east).
Work Step by Step
The components are given. Use the Pythagorean theorem 3.4a to find the magnitude of the overall vector, and the definition of tangent, equation 3.4b, to find the angle. The vector has positive x-component and negative y-component, and points down and to the right.