X 2 greater than or equal to 7 July 8, 2019 16 32 64 128 X 2 greater than or equal to 5x 2 3 7x 3 5 X 2 7 greater than or equal to 9 7x 20 greater than or equal to 2 x 15 X^2 is greater than or equal to 4 X is greater than or equal to 12
