Step-by-step explanation:
It is required to find the expressions that are equivalent to 4-x. We can also write it as :
Option (b) : (4-x) = 4+(-x)
Option (c) : (4-x) = -x+4
Hence, the correct options are (B) and (C).
The answer is 15 cookies and 5 brownies
Answer:

Step-by-step explanation:

According to my examination I have confirmed that I do NOT repeat do NOT know this.
Answer:
3,6,6,9 (6 is not a function and has been repeated twice)
-1,-2,-5,-7
sorry if their wrong id.rk