Answer:

Step-by-step explanation:
We have been given the equation

Take square root both sides. When ever we take square root, we include plus minus sign

Now, subtract 6 to both sides of the equation

Divide both sides by 5


In decimal we have

Answer:
3a × 4a = 12 a^2
Step-by-step explanation:
each and every term is multiplied, never leave any term without multiplying it
The ratio is 9/12 and you can write it as a proportion. so you multiply 9 by 100 then divide it by 12. answer is 75% chance