Answer:
A) Divide 20 by 2 and then add 8 to the result
Step-by-step explanation:

Factor x as it is a common factor;
x(8+3)
=11x
Yes, I would say so, or a right triangle.
Answer:
4 and -4
Step-by-step explanation:
> means greater than
x² > 10
4² > 10 → True, 16 is greater than 10
-4² > 10 → True, 16 is greater than 10
5^0 x 5^4 1 x 625 625
------------- = ---------- = ----- = 1 B
5^3 x 5^1 125 x 5 625