Question

write only options pls write fast​

Answer 1

Answer:

19.

d) sometimes rational and sometimes irrational

20.

a) the sum of two rational number is always irrational

21)

d) π is irrational and 22/7 is rational

22)

a) (√2+√3)/2

23)

d) 0.853853853..

24)

a) irrational number

25)

b)2/9

26)

c)5/3