Write an equation in point-slope form of the line that passes through the point (4,−9) and has a slope of 6

Answer these questions showing your work plz

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

How do you determine if an ordered pair is a solution to a given equation?