Select the correct description for each number set.(4 points)

a) (25−−√, 9, −−−√64−−√)
ONLY RATIONAL NUMBER OR ONLY IRRATIONAL NUMBER OR BOTH RATIONAL & IRRATIONAL NUMBERS

b) ( -2.4, 0, 3.1, 81−−√)
ONLY RATIONAL NUMBER OR ONLY IRRATIONAL NUMBER OR BOTH RATIONAL & IRRATIONAL NUMBERS

c) (−23, 79, π2)
ONLY RATIONAL NUMBER OR ONLY IRRATIONAL NUMBER OR BOTH RATIONAL & IRRATIONAL NUMBERS

d) (12−−√, 11−−√, π)
ONLY RATIONAL NUMBER OR ONLY IRRATIONAL NUMBER OR BOTH RATIONAL & IRRATIONAL NUMBERS

a) Both rational and irrational numbers

b) Both rational and irrational numbers
c) Only rational numbers
d) Only irrational numbers