1. the stanton athletic club twilight bicycle race fees are $25 per race for uscf licensed riders and $15 for junior racers. the total number of racers was 321. the income from the fees was $6935 a) what are the variables in this situation and what does each one represent? b) write a system of equations to determine the number of racers of each type. c) solve the system of equations using a graph.

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2