OMG PLEASE I NEED SOMEONE TO ANSWER THESE FOR ME!!!

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic. org

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?

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2