Step-by-step explanation:
Below is an attachment containing the solution.
Answer:
Sam has $900 more money. In total he now has $905.
Answer:
It is linear. It is linear because it is a strait line which means that it is a function. A not linear line would look like a noodle.
Answer:
See below (I hope this helps!)
Step-by-step explanation:
We need to write this in the form y = mx + b.
x + 3y = -12
3y = -x - 12

Answer:
2nd graph above the one you chose