The torque vector is given by the cross product of the position vector and the force vector:
$\vec{\tau} = \vec{r} \times \vec{F}$
Here, $\vec{r} = 11\hat{i}$ ft and $\vec{F} = 30\hat{j} + 24\hat{k}$ lb. Let's compute the cross product:
$\vec{\tau} =
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