Answer:
irrational
rational
irrational
rational
rational
Step-by-step explanation:
1. π is irrational, so a multiple of π is also irrational.
2. -30.22 is a terminating decimal, so it is rational.
3. -sqrt(23): sqrt(16) = 4; sqrt(25) = 5. sqrt(23) is between 4 and 5 and irrational.
4. 70.95 is a repeating decimal, so it is rational.
5. √49 = 7 and is rational.
