Answer:
Real
Step-by-step explanation:
i^6-122-7i^2
(i^2)^3-122-7i^2
(-1)^3-122-7×(-1)
-1-122+7
-123+7
-116
So the final answer is -116
I won't solve i'll translate like you asked
13) x - 5 = 21
14) 12 × y = 48
15) b + 10 = 13
If you want I can solve.
HOPE THIS HELPED