Answer:
i think that the correct answer would be either B or D
Step-by-step explanation:
hopefully this helps
i am so so so sorry if the answer is wrong
Answer:
Your answer is A.
Step-by-step explanation:
Don't need one.
Answer:

Step-by-step explanation:
What we're basically looking for here are ways to get 100 using these numbers.
My immediate first thought was "can we divide the 7's by some 7's to get 100?"
I know that
, so I had the idea to make it
. This means that we can use the number 7 four times in the equation
.
However, we're still missing a 1 that we need to include. This is easy, we can just multiply
by 1.
So in conclusion, we get 
Hope this helped!