when I run rkhunter -c in terminal I get several warnings how do I fix them were it says OK

when I run rkhunter -c in terminal I get several warnings how do I fix them were it says OK

Under :Performing file properties checks
    Checking for prerequisites

these are the files that i am worried about

/usr/bin/awk [ Warning ]
 /usr/bin/curl [ Warning ]
/usr/bin/dpkg [ Warning ]
 /usr/bin/dpkg-query [ Warning ]
 /usr/bin/gawk [ Warning ]

Also under i get warnings
Performing trojan specific checks
    Checking for enabled inetd services [ Warning ]

and

Performing system configuration file checks

 Checking if SSH root access is allowed [ Warning ]

and
 Performing filesystem checks
    Checking /dev for suspicious file types [ Warning ]
    Checking for hidden files and directories [ Warning ]

how do I fix again to make secure and green lit with OK?????