*The answer is A. 24.*
All you have to do is back solve. In other words, just plug your answer choices into the equation.
Hope this help :-) in the picture u going to see the steps. The answer is 13
Answer:
d
Step-by-step explanation:
Answer:
C 9i
D -9i
Step-by-step explanation:
sqrt(-81)
sqrt(81) sqrt(-1)
we know that sqrt(-1) = i
±9i