What is the circumference and the area of a circle with diameter 5 yd?

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?

Which statements regarding the diagram are true? check all that apply.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys