If 22 people all shake hands with each other, how many handshakes are there?

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

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

Collin did the work to see if 10 is a solution to the equation r/4=2.4