Evaluate −x+| y |−x+| y | when x=13x=13 and y=−74y=−74. write your answer as a fraction in simplest form.

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Simplify the expression below -3(10x+4y)+6(6x-2y)

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?