84.5 is x because 169 divided by 2 is 84.5. After that you are left with x=84.5. Hope this helps.
Answer:
40ft
Step-by-step explanation:
Please kindly see the attached file for more explanation
Answer:
<h2>A. (-4, -15)</h2>
Step-by-step explanation:

Answer:
No Solution
Step-by-step explanation:
If you grouped like terms, you would get 
Both <em>n's</em> would cancel each other out.
I hope this helps! (If it's wrong, then tell me, I'll try to find the correct answer...)
Hello!
I believe the most logical answer is 7⋅10^9
I hope it helps!