Find the difference 7/9 - 5/13 in lowest term

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

1. are the triangles similar and if so why? what is the value of x? show your work.

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?