What is the scale factor of the ratio 2:7 ? Choices:
K=2/7
K=7/2
K=2/9
K=7/9
K=9/2
K=9/7

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