Apair of shoes that costs $40 was marked up by 25%.
what is the markup?
what is the selling price?

In the diagram, bc¯¯¯¯¯∥de¯¯¯¯¯ . what is ce ? enter your answer in the box.

How do you figure out which order to do two step equations in? like which thing do you subtract/add/multiply/divide first? i understand that you do the opposite of whatever's shown on the opposite side, but when?

What is the slope of the line that passes through ( 1,4) and (1,-3)