9 gal 1 qt - 5 gal 3 qt help plz

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Which system of linear inequalities is represented by the graph?

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