Atriangular pyramid is formed from three right triangles as shown below.
use the information given in the figure to find the length ln.
if applicable, round your answer to the nearest whole number.
the lengths on the figure are not drawn accurately.

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18