(Solved): What is the resultant (magnitude and direction) of the systems of forces shown in the figure below ...

What is the resultant (magnitude and direction) of the systems of forces shown in the figure below? $$97.90\mathrm{N}$$ and $$12.4^{?}$$ between the resultant and the negative $$x$$-axis. $$97.90\mathrm{N}$$ and $$77.4^{?}$$ between the resultant and the positive $$\mathrm{x}$$-axis. $$97.90\mathrm{N}$$ and $$120.4^{?}$$ between the resultant and the positive $$\mathrm{x}$$-axis. $$97.90\mathrm{N}$$ and $$12.4^{?}$$ between the resultant and the positive $$y$$-axis.