It’s going to be A. She was supposed to use distributive property
Answer:
x values are never the same in a graph. try and do a vertical pencil check and if the pencil covers two plots then it not a function.
Step-by-step explanation:
Answer:

please mark as brainliest
Answer:
y =2x+9
Step-by-step explanation:
-2x+y=9
Add 2x to each side
-2x+2x+y=2x+9
y =2x+9