When moving units to the right on a graph, it's it my right or the graph's right?

Which of the following is the result of expanding

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42