Answer:
11%
Step-by-step explanation:
To fine the percentage decrease, we use the formula change/original x 100. In this case, the change is $11000-$9799=$1201 while the original is $11000. So 1201/11000 x 100 = 10.9% ≈ 11%
It's evidence of the continental drift theory
A. 20
Sims angles C and B are each 80 degrees, angle A must be 20 degrees