Answer:
D
Step-by-step explanation:
If you ask questions while their speaking it shows that you are paying attention to them. Avoiding eye contact could mean your thinking about something else or you aren't interested. Interrupting them is just being disrespectful. Leaning towards them doesn't really do anything other than you moving.
So I have the same problem with you
1.8n-1.5n=-6.2-4
3.3n=-10.2
n=-3.09
Took 3 of us in grade 10 but johns present age is 77.5 and his sister is 72.5