Can someone please do this by applying the distributive property

What is the slope of a line that is perpendicular to y = 3x + 1

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?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?