What is the linear function equation represented by the graph? f(x)=

Given right triangle xyz, which correctly describes the locations of the sides in relation to

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?

The measure of angle 0 is 600 degrees