Given that f $($x$)=$ x$24$ and g$($x$)=3$x $+5,$ find the value of each of the following, if it exists:

$($a$)($f $+$ g$)(5)$

$($b$)($f $+$ g$)(1)$

$($c$)($f g$)(0)$

$($d$)($f g$)(2)$

$($e$)($f $/$g$)(5)$

$($f$)($f $/$g$)(2)$

$($g$)($g$/$f $)(2)$

$($h$)($g$/$f $)(5)$