Answer:
Step-by-step explanation:
To find the number of different ways she can stack 3 of them in a tower, we need to use the formula:

n = 4
k = 3





I’m not positive but i think it’s 36x^2 -1
The last graph is the answer
The percentage would be 51% but if you want to round it the answer is 50%
24, just do 6x4 because there are 4 sides.