Which of the following statements about the number line is true?
a. numbers get larger as you move to the left on the number line.
b. numbers get smaller as you move to the left on the number line.
c. number lines can't you compare numerals.
d. number lines end with the number 10.

The answer is B. Numbers get smaller as you move to the left on the number line :)

it is NOT D. because number lines never end.
Or C. because you can use a number line to compare numbers ( not the answer )
and its not A. because numbers get larger as you move to the right on the number line ( Not left!)