slope is rise over run.
Which segments from each triangle represent rise and which represent run?
little triangle: rise is BD and run is DA
big triangle: rise is CE and run is EA
Answer: D 
Hi, I am unable to answer because there is no diagram attached in your question.
Answer:
453.592 grams or 454 grams if you round up
It’s isosceles because 2 acute angles and one 90 degree angle makes an isosceles triangle
First one is 33y^3-22y^2-27y+18
Second one is -3a^4-20a^2 x^2+7x^4
I hope this helps you :)