If unknown metal object A has a density of 8.95 g/cm3 then it most likely is made of? If unknown metal object B has a density of 5.71 g/cm3 then it most likely is made of?

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