Which expression represents the sum of 8 and twice a number?

a.) 8+n8+n

b.) 8+2n8+2n

c.) 8×2n8×2n

d.) 2×(8+n)

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