The expression x+3/2x-8 is undefined when x=

Which of the following is the result of expanding the series

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

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