Sorry but this question does not really make sense.
Answer:
The last one.
Step-by-step explanation:
Answer:
<h2>c. (0, 0)</h2>
Step-by-step explanation:

Answer:
11x + 12
Step-by-step explanation:
( 4x + 12 ) + 7x
Remove parentheses.
= 4x + 12 + 7x
Group like terms.
= 4x + 7x + 12
Add similar elements: 4x + 7x = 11x
= 11x + 12