The table below represents the closing cost of abc for the last 5 days. what is the r -value of the linear regression that fits these data? day value 1 20.712 19.693 19.614 19.645 19.26choices are as follows a. -0.79631b. 0.86493c. 0.91237d. -0.85650

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