Answer
See the answer below.
Work Step by Step
The $ln[HOF]\ vs\ t$ plot has the $r^2=0.9998$ for the linear regression, while the $1/[HOF]\ vs\ t$ has the $r^2=0.977$, so we can assume the reaction is of first-order.
$ln[HOF]=-0.025\times t-0.157\rightarrow k=0.025\ min^{-1}$
