Factor the expression 2x2+9x-5

What are correct trigonometric ratios that could be used to determine the length of ln

Do 12/14 and 8/10 have the same value? explain your answer.

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20