Answer:
Slope = rise/run =3/12 =1/4
Explanation:
Slope is defined as the rate of change of y wrt x.
Rate of change of y is sometimes named as rise and rate of change of x is named as run.
Given that Rate of change of y i.e. rise is 3 and rate of change of x i.e. run is 12.
Hence slope = 3/12 =0.25