The revenue from a cellular company in jacksonville, fl is given by 2c3-20c-10c, where c represents the number of cell phone plans sold. the cost in dollars to provide cellular service can be expressed by c2-40c+100. write and simplify a polynomial expression for the profit from making and selling c cell phone plans.

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?