Use the figure at the right. If JK=2x + 12 and NO=14, what is th value of x?

x=

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?

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. ? 2x + 5 < 17 ? 2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6