С If (x2 - 4) + (x + 2) = x - 2, which polynomial should fill in the blank below?
(x + 2). = x2 - 4
x² - 4
X-2
x+2
x² - 2

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