Assignments courses assignment - 9 circles circumference and pi actor 5 find the exact circumference of a circle with the given radius. 5 inches c= 2.5x in. 10% in. 25% in next question ask for

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