What are the costants in this expression x-3+2/3-y/2

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

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

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?