You can determine if a number is rational if it can be represented as a terminating or repeated decimal, but if it can not, then the number is irrational.
The answer is 50.24. First, take the diameter and divide it by two (4). Then, multiply it by itself (16). Lastly, multiply it by pi,(3.14).
I'm guessing, you substitute j with 12 and then you would have 12/4 and that would be 3
Answer:
72 is the answer
21-4 IS 17, AND 17 - 9 IS 8, THEN 9X8 IS 72.
89 tens because 8 x10 is 80 add the 9
89
