Sean's office is 5 feet by 8 feet. beth's office is 4 feet by 8 feet. how much larger is sean's office?

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

I’m still confused on how to work the percentages

What number is 7 units left of -15?