I'm not the brightest when it comes to math, so I have a few questions that have stumbled me:

True or false:

Can someone answer this for me and tell me the reasons for the answers so I can better understand it? Thanks.

- -10 is both an integer and a whole number.
- 0 is both an integer and a natural number.
- Every natural number is also a whole number.
- Every rational number is also an integer.

Also:

What would

Thanks!

- 3 divided by 9/11 be?
- 7/9 plus 2?