$\Sigma M_B = 0$
$7R_A + 4(30) + 4(50) = 10(60) + 4(120)$
$R_A = 108.57 \, \text{ kN}$ answer
$\Sigma M_A = 0$
$7B_V + 3(60) = 3(120) + 4(30) + 11(50)$
$B_V = 121.43 \, \text{ kN}$
$\Sigma F_H = 0$
$B_H = 30 \, \text{ kN}$
$R_B = \sqrt{{B_H}^2 + {B_V}^2} = \sqrt{30^2 + 121.43^2}$
$R_B = 125.08 \, \text{ kN}$
$\tan \theta_{Bx} = \dfrac{B_V}{B_H} = \dfrac{121.43}{30}$
$\theta_{Bx} = 76.12^\circ$
Thus, $R_B = 12.08 \, \text{ kN}$ up to the left at $76.12^\circ$ from horizontal. answer