WHAT IS THE DIFFERENCE BETWEEN A RELATION AND A FUNCTION?

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building