Harper and Sidney need to schedule appointments with the same doctor. Harper calls in the morning and picks one of the open appointment times. In the afternoon, Sidney calls to schedule one of the remaining appointment times. Are these two events dependent or independent?

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