Please help me out really need help

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

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest