Answer:
G) 16.6
Step-by-step explanation:
We can use the pythagoriam theroem to solve the problem


+ 49 = 324
= 275
a = 16.6
62,900
21,000
126,300
856,700
I believe that answer is B. (The second one)
Hope this helped !!
Answer: 14.2 - 5a
Work: I just did "CLT" of "Combine Like Terms". I did 8 + 6.2 First because 8 is first, then I did 4a - 9a which is -5a, and I combined them, and got the answer. I hope this helps, and stay safe! :)