Which expression represents the quotient of 5 and y, decreased by the product of 3 and z?

What are the values of m∠abc, m∠cbf, m∠abd and m∠dbe in the given figure? explain or show your work?

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?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.