What is the length of the diagonal of a rectangle whose width is 90 cm and whose length is 200 cm? (round your answer to the nearest whole centimeter.) a. 217 cm b. 214 cm c. 222 cm d. 219 cm

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