Please help! Select the expressions that are polynomials. x^2/7+1
x^-3+4x
-2x^3+2x+4
6x-x^3+4x^2
Thank you!!

What is the equation of the linear function represented by the table?

Abaker makes 186 cookies. some are chocolate chip and some are oatmeal raisin, and both kinds are made with and without nuts, as shown in the table above. because they are more popular, the baker made 2/3 of the cookies chocolate chip. if a chocolate chip cookie is chosen at random, what is the probability that it will have nuts? a) 21/93 b) 21/62 c) 41/93 d) 21/41

Need solving this second acceleration problem.