In a 45-45-90 right angle, what is the ratio of the length of one leg to the length of the other leg

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !

The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?

Marshall went to the state fair and bought 3 tickets. each ticket to the fair cost x dollars. after he bought the tickets, he had $3.25 left in change. write an expression that represents the amount of money, in dollars, that marshall had before he bought the tickets. n