Carolyn makes and sells necklaces. the material to make each necklace costs$3.20 last week she made 12 necklaces and wants to make a total profit of $54using the equation 12(x-3.20) = 54 carolyn determined that she will make a profit of$7.70 on each necklace. which error did carolyn make?

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

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

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3