Which is the correct mathematical statement of "The product of 5 and a number yields to 35"? 5/x = 35 b. 5x = 35 c. x + 5 = 35 d. 5-x= 35 10. Which of the following is not a polynomial? x2 + 2x + 5 b. (x?+ 2x - 5) * 3x c. 5x-2 +1 d. 13 ax2 + 12ax-2a