Answer:
4/13
Step-by-step explanation:
"given that they have a cat?" means you are referring to only the students that have cats(that is the number on the bottom)
i am very bad at explaining math lol
17.156 is the rational number, if the number can be put into fraction form then it is considered rational
0.21 is greater than 0.12 because it in the 20s
37292827 the answer is that