In the figure, fl=5 and hl=8 what is fm?

We know that
GL=HL/2> GL=8/2> GL=4

in the right triangle FGL
FL=5
GL=4
FG=?
Applying the Pythagoras theorem
FL²=GL²+FG²> FG²=FL²-GL²> FG²=5²-4²> FG²=9
FG=3
FG is the radius of the smaller circle
and
FM also is the radius of the smaller circle
so
FM=FG> FM=3

the answer is
FM is 3

$22. if larry's profit were to minimize by one for every hour his store were to be closed, we would subtract 30 by 8.