Select the correct answer. Each unit on the graph is equal to 1 block. What is the distance between Anne's school and her friend Nathan's house? A. 15 blocks B. 16 blocks C. 17 blocks D. 19 blocks the right answer will be marked for brainlest

The number 0. is a rational number. rational numbers are any number that can be written in fractional form, including integers, terminating and repeating decimals, and fractions.  in this example we do not know if the decimal is terminating however it will still fall within the definition of a rational number.