Which expression has the same value as -18+(-9) O -18 divided by 2
O -12 divided by (-3)
O -10 divided by 5
O -8 divided by (-4)

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