Cual es la diferencia entre 30% y 28%?​

The total number of dental clinics total for the last 12 months was recorded

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

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