Write an equation in slope intercept form that represents the line shown?

Anyone know? will mark brainliest if you're correct!

Is a positive integer raised to a negative power always positive

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?