Give ab=19mm, bc=14mm, and ad=51mm, find the length of cd

Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Which expression gives you the distance between the points (5,1)and(9,-6)