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.
Answer:
y=1/3x+2
Step-by-step explanation:
I think the answer is 10.3%
The Volume of the box has to equal 64
because all the sides have to equal 12
and 12/3 = 4