Someone help me plz​

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

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?

Explain how you divide powers with like bases.discuss why the bases have to be the same.how are these rules similar to the rules for multiplying powers with like bases.