Answer:
36
Explanation:
Here we a given a rule
It say
÷

And we are given the values of x and y as
x=4 and y = 9
Let us replace them in the rule we are provided with
÷

Applying DMAS rule, which says, first Division ollowed by Multiplication addition and then subtraction .
We first divide 9 by 3
9÷3 = 3
Hence
÷

Now we square first



Hence our final answer will be 36