Help fast im giving alot of points 50 points

What is the total surface area of this square pyramid?

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

Henry's butcher shop uses an electronic scale that measures to 1/100 of a pound. which is the most accurate measurement based on the limitations of the scale that might be found on a package of meat sold by henry?