Please Help!

1: select all irrational numbers

1: The square root of 1/4
2: The square root of 2/4
3: The square root of 3/4
4: The square root of 4/4
5: The square root of 5/4
6: 4 multiplied by pi
7: 7 x (the square root of 10/49)
8: 0.5
9: 3.14

2: Select rational or irrational to classify each number (so just tell me if these are rational or irrational)

1: 0.144
2: The square root of 0.144
3: The square root of 0.0144
4: 0.01 multiplied by pi
5: 100 multiplied by pi
6: the square root of 100
7: the square root of 1/100