Answer:
y = 8
Step-by-step explanation:
if you do -2 + -2 and add ten to it you get 8
Step-by-step explanation:
Total numbers of pizza toppings = 12
Number of three topping pizzas can be ordered are:

where = n = number of elements
k = number of elements choosen
n= 12 , k = 3

We calculated the number of permutations. We made this choice because in permutation order of element matters but in combination its not.
Your answer is A have a good day