Can someone please help me with this, I need to show work for it too.

For the equation below, x is the input and y is the output. y = -4x + 3 if the input is -8, then the output is

Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, q1 at 11.5, median at 12.5, q3 at 13.5, max at 15

How do newtons third law of motion demonstrates on a rollar coster