PLS I NEED HELP FAST I DONT UNDER STAND THIS

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?