In the rectangular coordinate system, the vertical number line is called the

Are the points (−2, 1), (1, 7), and (4, 14) on the same line? Why?

You go for a walk in the neighborhood. You walk 5 blocks north and 12 blocks east. Your bird will meet you at your destination but you need to tell it which direction to fly and how far.

The size of a TV screen is stated in inches, a 45-inch TV, a 60-inch TV, etc. But a TV screen or a cell phone screen is a surface so its size should be measured in square inches rather than inches. It turns out that the advertised screen size is actually the length of the diagonal line of the screen. So a cell phone with a 6-inch screen may have a different screen area than another cell phone that also has a 6-inch screen. Find the area of the rectangles. Round answer to two decimal places.