Answer:
False
Step-by-step explanation:
12+9<20
21≮20
False
Answer:7
Step-by-step explanation:
just divide than subtract
Answer:
6h
Step-by-step explanation:
1 per 10 minutes
that means 6 per hour
Answer:
its 10
Step-by-step explanation:
because all you have to do is add a zero for each place you go