Brainliest to whoever answers first

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

Answer! if you don’t mind, can you explain

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)