Can you guys help me with this question? PLEASE

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Triangle xyz, with vertices x(-2, 0), y(-2, -1), and z(-5, -2), undergoes a transformation to form triangle x? y? z? , with vertices x? (4, -2), y? (4, -3), and z? (1, -4). the type of transformation that triangle xyz undergoes is a . triangle x? y? z? then undergoes a transformation to form triangle x? y? z? , with vertices x? (4, 2), y? (4, 3), and z? (1, 4). the type of transformation that triangle x? y? z? undergoes is a .