10 POINTS PLEASE HELP ASAP find the area of each figure

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?