help me w this. if you don’t know dont answer smh.

A number line is shown below. The numbers 0 and 1 are marked on the line, as are the two other rational numbers a and b

Will a - 1 be positive or negative? explain.

help me w this if you dont know dont answer smh A number line is shown below The numbers 0 and 1 are marked on the line as are the two other rational numbers a class=