Answer:
Your answer would be B.
Step-by-step explanation:
a^2 + 9^2 = 113^2
Solve exponents.
A^2 + 81 = 113
Subtract 81 from each side.
A^2 = 32.
Square root each side.
A = 32
Hope this helps & good luck!
Feel free to message me if you need more help! :)
