Answer:
x
Step-by-step explanation:
An example of the difference of squares would be: a^2-b^2 = (a+b)(a-b)
There are 10 digits possible for each of the 4 places .
So the number of digits possible is 10^4 = 10,000
Answer:
the first and third should be the correct answer I hope this helps
She has a 50 percent chance she flips the coin on tails.