Answer:

Step-by-step explanation:
Given equation:

Solutions: -9 and 9
To solve for 
Solution:
The solutions of the equation means
and 
We will plugin the solutions in the equation and solve for 
1) when 


Subtracting both sides by 81.

∴ 
2) when 


Subtracting both sides by 81.

∴ 
So, for both solutions we get 
Answer:
123.75 
Step-by-step explanation:
find the volume of the sandbox:
l x w x h = 11 x 7.5 x 1.5 = 123.75 
Answer:
$133.77
I am pretty sure that this is the answer.
Step-by-step explanation:
1 + (1.25)^29 = 646.23
200 + (20 x 29) = 780
780 - 646.23 = 133.77
Tell me if I am wrong.
If right, please give me brainliest.
Answer:
3 38/105 is the answer in mixed number form
5,000 milligrams time the five grams by a thousand<span />