Answer:
A. 409.4
Step-by-step explanation:
3%=10.68
10.68*5=53.4
53.4+356=409.4
.8, 1.8, 8, 8.1
Do you understand why? This seems pretty simple that you should be able to solve this for yourself.
The answer is correct because it would have to go like this;
(-4x + 9)² = (-4x + 9)(-4x + 9)
hope this helps, God bless!