It’s B. because 6•6=36 and B shows a little over six so B would be your answer.
Answer:

Step-by-step explanation:





Answer is 5^12 which is choice A (assuming you meant to put the ^ symbol)
The bases are the same (both are 5), so you add the exponents: 4+8 = 12. The base stays the same the entire time.
So, 5^4*5^8 = 5^(4+8) = 5^12
-7/4+2y+1/4x is the answer