The LCM for 4 and 9 is 36
Answer:
the second one
Step-by-step explanation:
It is not symmetric because it has a peak at 1 and to be symmetric it has to be the same on both sides of the peak
Answer:

Step-by-step explanation:
We need to find ration numbers between -1 and 1.
Multiplying and dividing both -1 and 1 by 2.

and 
Now, the rational number between -2/2 and 2/2 is
.