The greatest common factor is 3 I'm pretty sure.
Answer:
N=6
Step-by-step explanation:
As the answer is 6 and we already have 3 so the other half is 3. Half of 6 is three so n=6
Answer:

Step-by-step explanation:



Therefore, the coefficient of
is
.
M - 30 = 10
so the number has to be 10 more than 30.
30+ 10 = m
m = 40