1/7 of 149.6 make sure it is in decimal form

How can you tell when x and y are not directly proportional?

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?

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?