Answer:
No
Step-by-step explanation:
I don't think that's how those specifc diagrams work. X in this case would be 3 not seven.
Yes you can move the x and the 1s but it would break the whole diagram. It would just be an (expression/term). Not a full diagram.
You said this was 7th grade math? Wow. I learned this in 5th grade!
Answer:
D. 4
Step-by-step explanation:

Answer:
No it does not represent a function
Step-by-step explanation:
It fails the vertical line test..
Answer:
2.52 lbs=40.32 oz
Step-by-step explanation:
I used the mass formula and I even searched it.
2.52 lbs=40.32 oz
Hope this helps! :)