Calculator and clocks are examples of in windows 7 please answer fast.

The forerunner to cell phones, pdas, and smartphones was

Which feature is selected to practice and save the timing of a presentation

Create a program that will take in a single x and y coordinate as the origin. after the input is provided, the output should be all of the coordinates (all 26 coordinates read from the “coordinates.json” file), in order of closest-to-farthest from the origin.