Determine the constant of proportionality.

Regular price is $77.00 and the discount is 5% find the sale price

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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?