Can someone plz help me with these as soon as possible

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?

Sketch one cycle if the cosine function y=2cos2theta

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer