width = w
length = w +2
perimeter = 2L + 2w
40 = 2(w+2) + 2w
40 = 2w+4 +2w
40 = 4w+4
36=4w
w=36/4 = 9
with = 9
length = 9+2 = 11
area = l x w = 9*11 = 99 square cm
Answer:
b 0.33333333333333333
Answer:A i think
Step-by-step explanation:the lines
2 9 1
x x
3 4 3
The 2 and the 4 cross out each other making it a 1 and a 2
9 and 3 cross each other making it 1 and 3
The 3 and 3 cross out each other making 1 and 1
1 1 1
1 2 1
making it 1/2
