Can anybody help me complete my study guide question

The parabola opens: y=√x-4 (principal square root) up down right left

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

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?