A circus owner wants to place an ATM at a location that is equidistant from the three main tents at points D, E, and F. Which of the following can be used to determine where to locate the ATM?

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