Answer:
im almost postive the one you marked is correct
Step-by-step explanation:
-7 + 56x = 105
56x = 105 + 7
56x = 112
x = 2
Answer:
8.37
Step-by-step explanation:
There are 32,760 different orders for the first four positions.
This is a permutation where repetition is not allowed; the formula for that is:

For our problem, we have: