No nomsense answer

1. between what two consecutive integers does the square root of 18 lie?

a. 3 and 4
b. 4 and 5
c. 5 and 6
d. 16 and 25

2. which of the following is classified as perfect square integer?

a. 6
b. 9
c. 12
d. 20

3. Which of the following has an irrational principle root?

a. 4
b. 9
c. 16
d. 20

4. which of the following is not a perfect square integer?

a. 25
b. 49
c. 63
d. 81

5.The following numbers have irrational square root except

a. 1
b. 2
c. 4
d. 9