Answer:
well all of these look like a way so we have to use elimination method
A : random number tables : well it has random numbers so X out
B: PHONE NUMBERS: well phone numbers are random so X out
C: USing the internet : totally X out
D: books of random numbers: X out
so none of the above i guess
A binomial squared is written like

So, we have 
So, we want to complete the square 
We can add and subtract 9 to write

Answer:
I'd say none, as we're missing something in this problem. Make sure you've included everything to solve this problem. Thanks.
Answer:
(-4,3)
Step-by-step explanation:
Make the internet a fraction and then multiply them