I will give brainiest

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

For what value of (y) is 3^3/3^y =1/9

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels