Please help me with my math homework I’ll give you 15 points please explain your answers

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

Pls never taught i’m really confused and i rlly need

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8