Triangle END is reflected across the line y = x using the rule (x, y) - (y, x) to create triangle E'N'D'. If a line segment is drawn from point E to point E', which statement would best describe the line segment drawn in relation to the line y = x?
O Both are congruent to each other.
O Both create diameters of concentric circles.
They are parallel.
They are perpendicular.

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1

If rt is greater than ba, which statement must be true ?