Find the slope between points (1,3) and (4,6)

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

Acompound inequality is graphed, and its graph consists of all real numbers. which open scentence could have resulted in this solution set r> 3 or r< -2. r< 3 or r< -2. r> 3 or r> -2. r< 3 or r> -2 plz asap