Evaluate x2y for x = -3 and y = 2

Could somebody me with this radical simplification?

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

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