Answer:
50
Step-by-step explanation:
1
1/2 + 1/2 =2/2 =1
The first and third answers are correct
First answer=11/4=2.75
Second answer=4/9=0.444...
Third answer=4/3=1.333...
Fourth answer=5/9=0.5555555556
2/3=0.66666666667
It is an octagon if and only if it has eight sides.
