9. For a two-digit number $x$, 6 statements are made:

a) $x$ is divisible by 3; b) $x$ is divisible by 5;

c) $x$ is divisible by 9; d) $x$ is divisible by 15;

e) $x$ is divisible by 25; f) $x$ is divisible by 45.

Find all such $x$ for which exactly three of these statements are true.