Which shows the expressions in the order they would appear on a number line from least to greatest?
17 over 9, Square root of 6, Square root of 15, Square root of 30, 33
33, Square root of 30, Square root of 15, Square root of 6, 17 over 9
33, Square root of 6, Square root of 15, 17 over 9, Square root of 30
17 over 9, Square root of 30, Square root of 15, 33, Square root of 6