Find a general expression for the image of point $(a, b)$ upon reflection over line $y=mx$.

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

(25 ! ) what does it mean for an equation to have no solution or infinitely many solutions?

Suppose you are analyzing the relationship between time and distance given in a table,and there are 4 values for each quantity.you divide distance 2 minus distance 1 by time 2 minus time 1.you then divide distance 4 minus distance 3 by time 4 minus time 3 and get a different answer.what can you say about the relationship?