Answer:
None of the listed
Step-by-step explanation:

Answer:
2
Step-by-step explanation:
-1^2+7
1+7 =8
-1 +5 =4
8/4 =2
(3^6 / 3^5)^2 = (3^(6 - 5))^2 = (3^1)^2 = 3^2 = 9
Answer:
6
Step-by-step explanation:
You have 2 conditions.
1. The digits must be different.
2. The digits must add to 7.
There aren't very many
124
142
214
241
412
421
That's it. That's your answer. There are 6 of them