The process is:
C = 2nr
2nr = c
r (2n) = c

That's the answer☝️☝️☝️☝️
or maybe this one
r = 2n + c
sorry, I'm unsure, it has been too long since I studied that...
4) Answer is D.
Irrational numbers cannot be classified as rational numbers
5) Answer is B.
Every irrational number is a real number
Answer:
happy birthday
Step-by-step explanation:
thank you
Answer:
0
Step-by-step explanation: