Find the point-slope equation of the line using the point (3,5) and slope 3/2 ?

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?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

What does the sign of the slope tell you about a line?