Which algebraic expression is a polynomial? 3m2n – + – + 4m5 – 3mn5 + 7mn + +

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

Can someone me with these two circle theorem questions asap?