Answer:
In the first equation, it's H20 but the second is B
2Mg + 2O2
Answer:
Hey bro use the app socratic i had the same shi
Step-by-step explanation:
Answer:

B. 20
Step-by-step explanation:
<em>First, you divide by 5 from both sides of equation.</em>
<em>
</em>
<em>Simplify, to find the answer.</em>
<em>
</em>
<em>
, which is our answer.</em>
Answer:
A
Step-by-step explanation:
Hopefully this helps!
Answer:
x² - 6x + 9
Step-by-step explanation:
(x - 3)² = x² - 6x + 9