Ummm don’t click the link
I think
It’s a virus
You need to graph c<=20.
to graph it, you would have a closed dot on 20, going to the left and stopping at 0.
The last option, because 12 although is common for 3 and 6 is not the least one. The LCM of 3 and 6 is 6
T=Py because that’s your answer