I think r should equal 32/7
Answer:


I'm not sure what type of equations you are looking for but these are the most basic ones.
Step-by-step explanation:
Hope this helps! if you have any questions ask me in the comments.
Answer:
its a 3.5
Step-by-step explanation:
360/18=20
So, your answer is 20 unit rate.
Hope this will help you!