Answer:
12x-y-4
Step-by-step explanation:
Answer: I believe it is D
Why: Domain=x which gets rid of A, and C and because you cannot really now how many tickets you will sale (like B states certain numbers not the range of possibility) I think it’s D
Answer: that's false
Step-by-step explanation:
degrees of freedom=(r-1)(c-1)
If I'm wrong I'm sorry