Elsa's store purchased a sofa at a wholesale price of $350, and sold it for $630. What is the percent of markup?

The highest point on earth is the peak of mount everest if you climb to the top you would be approximately 29,035 feet above sea level at remembering that amount is 5280 feet percentage of the height of the mountain would you have to climb to reach a point 2 miles above sea level

You can find the constant of proportionality by finding the ratio of

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)