4 + (8 × 8) – 1 = i need help on this pls

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

With finding limits of multi variable !

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