Question

Which is both a real number and integer?

Answer 1

(1)

answer A: 23 is an integer and, as such, belongs to the set of Reals

(2)

answer C: sqrt(9)=3 is rational (can be written as 9/1, or 18/2, etc.) and, as such, is a Real number as well. The others are irrational numbers, so they do not qualify.

Answer 2

the answer to the first question is A im pretty sure. also i LOVE your username lol :)