If anyone could help with any of these questions it would help a lot I will mark you as brainliest !!

Answer:
1. x>3
2. 12x-5
3.
[tex] \frac{25}{8} \: or \: 3 \frac{1}{8} [/tex]
4.0.037
5. 800
6.
[tex]2 \sqrt{5} [/tex]
7.
[tex] {a}^{8} [/tex]
8.
[tex]400 {mm}^{2} [/tex]
9. x = ay-ab
10.
[tex]225\pi[/tex]