Answer:
x>3
Step-by-step explanation:
- First distribute the 3 to the inside of the parentheses:

- you should then get 3x+12>21
- next you want to subtract over 12 from both sides:

- then divide 3 over on both sides

- you should then get x>3 for your final answer
Idk if you can help me on my answer that would be helpful
Answer:
<h2>(x + 6)(x + 4)</h2>
Step-by-step explanation:

Answer:
x≠3
Step-by-step explanation:
Answer:
247.4
Step-by-step explanation:
- you can either use pi*diameter or 2pi*radius
- 