Select all input values for which h(x)=2

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Jo divides a candy bar into eight equal pieces for her children to share she gives three pieces to sam three pieces to leslie and two pieces to margie rose the two month old baby does it doesn't get any what fraction shows how muchw candy each of the four children got. what's the answer to my question