What are the coordinates of the vertex for f(x) = 3x2 6x 3? (−1, 0) (3, 6) (0, −1) (6, 3)

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 i put 3(x+7) in distributive property

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /