The circumference of a circular field is 226.08 feet what is the diameter of the field use 3.14

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.