Richard went to a zip line park for his birthday. Richard travels on the zip line at a constant rate. The points on the following coordinate plane show how many feet he travelled in 222, 333, and 444 seconds while riding one of the zip lines.

How far does Richard travel on the zip line in 111 second?
feet

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