Step-by-step explanation:

They are not congruent because they are the same shape just flipped around
I don't know about how to put that in standard form, but an equation has to have an equals sign... So, that would be an equation.
Answer:
FGTEEV
Step-by-step explanation:
ndjfkkcnvmvmvmvmmv
800$ because yearly he would deposit 8000$ and 10% of that would be 800$ :)