Hello I need help with this math problem

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?