Answer:
It is not well defined.
Step-by-step explanation:
Because set is a collection of well defined objet. And matter contains of solid, liquid and gas
Step-by-step explanation:
R=2m
A=πr²
A = 3.142*2*2
=12.568 m2
Answer:
9
Step-by-step explanation: did it
Answer:
stop
Step-by-step explanation:
stop using this app, the chances of you actually getting a helpful response or even one at all are so slim, just pay an actual tutor at this point