What is the degree of the polynomial below x^2+2x-3x^4+5+3x^2

For the equations below which statement is true ?

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?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1