Answer:

Step-by-step explanation:

Answer:
that my friend is a code in java or some other language.
Step-by-step explanation:
it is just a code
Answer: x=3-2y/3
Step-by-step explanation:
You just have to try to isolate one variable
Answer:
19.73
Step-by-step explanation:
look up circumference formula and click solve
Answer:
Y=21
Step-by-step explanation:
add 13 on both sides you get Y=21