- Mathematics questions help please!!!?

Discover Questions

Will Planet X hit earth on September 23 or October of 2017? Does it even exist? Jvjghfcyifykkffyifi? Write the equation of a line that is perpendicular to the line y=-1/2x +4 and passes throught the point (0,-1)? What does the moon have so many craters but none of the other planets don't? 30 x 72
- -
108 150?