Consider lines AB and CD Type the correct answer in each box

The slope of line AB is_
The slope of line CD is_

PLS HELP ME

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

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