Find the product and draw an array using distributive property 7*63

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

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?

Which of the functions below could have created this graph?