Determine whether the following is a statistical question. how much time do seniors at eastview high school spend clipping their toenails?

Really need on these. i have no idea what to do

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.