i think its undifined
maybe it is. Because you can't see something there
Answer:
sorry
Step-by-step explanation:
?
Answer:
The mean is 
Step-by-step explanation:
Answer:
Circumference = πd
where d = diameter
Step-by-step explanation:
When using this formula you don't need to multiply by 2 like you do when using the radius because the diameter is twice the radius of a circle.
Answer:
$80 billion, $480 billion
Step-by-step explanation:
E2020