Since -7 is the only negative shown, its the least number since negatives are less than positives. 37/80 is less than 15/16. If we multiply 15/16 by 5/5, we get 75/80. Now we can compare 37/80 to 75/80 since they have the same denominator. 37/80 is clearly less than 75/80
Octagans have 8 sides. Perimeter is thought of as the length a piece of string would be if it was layed around the edges of the shape. There are 8 sides, each 12units in length. Perimeter=8*12=96units
