<span>1. 12
2. 225 sq. ft.
3. 6.25 sq. ft.
4. no
5. $3.00
6. 6
please make my answer best answer thank you
p.s. the very first question is 600 sq. in.</span>
I think the last one, because when you take the parenthesis away it just becomes x - - 3 and you would just make the two negatives a positive
I would say duolingo. it's an app, not a website though
