Rectangle ABCD is graphed in the coordinate plane. The following are the vertices of the rectangle: A(-1,-6), B(-1,7), C(1,7), and D(1,-6.) WHAT IS THE LENGTH OF SIDE AB?

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