Which of the following statements about different elements is/are true? 1. as is a metalloid and se is a nonmetal. 2. cu is a transition element and ge is a metalloid. 3. both f and i are halogens.

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