Answer:
n - m is positive
Step-by-step explanation:
Given
m and n on number line
Required
Which is true
From the attachment, we have:
[tex]n >m[/tex]
[tex]n > 0[/tex] and [tex]m < 0[/tex]
[tex](a):\ n - m[/tex]
Since: the above inequalities are true, then:
[tex]n - m > 0[/tex]
(a) is true
There is no need to test other options; since (a) is true
