Step-by-step explanation:
you would start by replacing the "x" with the 9
subtract the 15 and 9
then that would equal 6 which in this case it would be equal to
I'm pretty sure (sorry if it is wrong)
12^4 which is equal to 12 times itself 4 times
Answer:
D. 
Step-by-step explanation:
A square root can't be evaluated if the number we want to find the square of is nagative.
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