ANSWER
[tex]B. 40.6\degree[/tex]
EXPLANATION
A sketch of the vector is shown in the diagram in the attachment.
The side adjacent to the angle we want to find is 3.5 units and the opposite side is 3 units.
Let the angle between the vector and the x-axis be [tex]\phi[/tex]
then,
[tex]\tan\phi =\frac{3}{3.5}[/tex]
[tex]\tan\phi=0.8571[/tex]
This implies that,
[tex]\phi=tan{-1}(0.8571)[/tex]
[tex]\phi=40.6013[/tex]
The correct answer is B
Therefore the angle 40.6° to the nearest tenth.
