Help for brainlist and 5 stars!!

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Hi, can anyone show me how to do this problem? 100 points for this. in advance