Which values of x and y will satisfy y = 5x and 12x + 9y = 60? . a. . x = 1, y = 19 . b. . x = 35 y= 20/19. c. . x = 1/20 y = 1/90. d.. x = 20/19 y = 100/19. e.. x = 19 y = 50/19

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