A^-3 over a^-2b^-5 write without rational notation and move all terms to numerator

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

Given the graphed function below which of the following orders pairs are found on the inverse function

Are the corresponding angles congruent? explain why or why not.