Select the correct description for each number set.(4 points) a) (25−−√, 9, −−−√64−−√25, 9, 64) b) ( -2.4, 0, 3.1, 81−−√81) c) (−23, 79, π2−23, 79, π2) d) (12−−√, 11−−√, π12, 11, π)
Only rational
irrational
Both rational & irrational
a) Both rational & irrational
b) Both rational & irrational
c) Only rational
d) Both rational & irrational