I believe that the best answer for this question is "are." You are referring to two parties here, both the lion tamer and the clowns. This would mean that your applicable verbs must also be plural. Since "are" is the plural version of "is," it is the most suitable word to use in this situation. Hope this helps.
Answer:
Sadie likes many subjects at school, she likes math the best.
Explanation:
the last one is my answer choice
It means progress through a persons determination. A determined person will advance and progress. Determination means never giving up and keep on trying.